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2.42" OLED Display Module
Driver chip SSD1309
Support interface IIC/SPI
Resolution 128×64
Display size 2.42 inches
Display color: white/blue/yellow/green
Module size 71×43.5 (mm)
Glass size 60.5×37.00× (mm)
Display area 55.02×27.49 (mm)
Drive voltage 3.3-5V
Number of pins 7PIN
Viewing angle >160°
Working temperature -40℃~70℃
Storage temperature -40℃~80℃
 
SPI Interface Definition:
1 GND - Power Ground
2 VDD - Power Supply Positive (2.8-5.5V)
3 SCK - Clock Line
4 SDA - Data Line
5 RES - Reset Line
6 DC - Data/Command
7 CS - Chip Select

2.42" OLED Display Module
Driver chip SSD1309
Support interface IIC/SPI
Resolution 128×64
Display size 2.42 inches
Display color: white/blue/yellow/green
Module size 71×43.5 (mm)
Glass size 60.5×37.00× (mm)
Display area 55.02×27.49 (mm)
Drive voltage 3.3-5V
Number of pins 7PIN
Viewing angle >160°
Working temperature -40℃~70℃
Storage temperature -40℃~80℃
 
SPI Interface Definition:
1 GND - Power Ground
2 VDD - Power Supply Positive (2.8-5.5V)
3 SCK - Clock Line
4 SDA - Data Line
5 RES - Reset Line
6 DC - Data/Command
7 CS - Chip Select

2.42" OLED Display Module
Driver chip SSD1309
Support interface IIC/SPI
Resolution 128×64
Display size 2.42 inches
Display color: white/blue/yellow/green
Module size 71×43.5 (mm)
Glass size 60.5×37.00× (mm)
Display area 55.02×27.49 (mm)
Drive voltage 3.3-5V
Number of pins 7PIN
Viewing angle >160°
Working temperature -40℃~70℃
Storage temperature -40℃~80℃
 
SPI Interface Definition:
1 GND - Power Ground
2 VDD - Power Supply Positive (2.8-5.5V)
3 SCK - Clock Line
4 SDA - Data Line
5 RES - Reset Line
6 DC - Data/Command
7 CS - Chip Select

2.42" OLED Display Module
Driver chip SSD1309
Support interface IIC/SPI
Resolution 128×64
Display size 2.42 inches
Display color: white/blue/yellow/green
Module size 71×43.5 (mm)
Glass size 60.5×37.00× (mm)
Display area 55.02×27.49 (mm)
Drive voltage 3.3-5V
Number of pins 7PIN
Viewing angle >160°
Working temperature -40℃~70℃
Storage temperature -40℃~80℃
 
SPI Interface Definition:
1 GND - Power Ground
2 VDD - Power Supply Positive (2.8-5.5V)
3 SCK - Clock Line
4 SDA - Data Line
5 RES - Reset Line
6 DC - Data/Command
7 CS - Chip Select

Breadboard Expansion Shield Pin Lithium battery
 
Double Socket Dual Base Shield

Breadboard Expansion Shield Pin Lithium battery
 
Double Socket Dual Base Shield

The baby description
1 sensor adopts TR5000, high sensitivity
2 sensitivity adjustable digital potentiometer to adjust (blue)
3 modules can induction block from 0 to 3 cm
4-5 V working voltage of 3.3 V
5 a output form the output analog voltage (0 to 5 v)
B digital switch output (0 and 1)
6 has a fixed bolt hole, the work of the installation
Seven small board PCB size: 3.5 cm * 1.5 cm
8 the power indicator light (red) and digital switch output indicator light (green)
9 comparator USES the LM393 chips, work stability
Three small plate interface specifications wire (4)
1 VCC external 3.3 V to 5 V
2 GND external GND
3 DO small plate digital output interface (0 and 1)
4 small AO plate analog output interface (0 to 5 v)
Four instructions
The module can be 1 2 intelligent tracing car obstacle avoidance, material testing, color detection
2 modules in shining or keep out the short is greater than the set threshold the DO output high level, the when the module block short is less than the setting threshold, the module D0 output low level;
3 small plate digital output D0 can be attached directly to the microcontroller, through single chip microcomputer to detect the high and low level, thus to detect been the modules are triggered.
4 small plate digital output DO can directly drive our relay module, which can be composed of a photoelectric switch;
5 small plate analog output can AO and AD modules are linked together, through the AD conversion, the can module are obtained and the obstructions of short.

Warm prompt:
 
Dear buyer, Our cheapst transportation services Econmic category logistics (SunYou Economic Air Mail , China post Ordinary Small Packet Plus) can be traced only befor it arrive your country , please choose Standard category logistics if you want a full tracking info.
 
For example:
like this

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here : www.17track.net/en

DRIVER:
UB to CDC serial port:
http://www.wch.cn/downloads/file/313.html?time=2021-07-01% 2016:32:28&code=IeZQOsvk2MelEZnd9fXGO8KgK7VFOi2u2zvSM6lK
USB to high-speed serial port:
http://www.wch.cn/downloads/file/315.html?time=2021-07-01% 2016:33:00&code=z6SUOEShBdvEKDUb5BAY6pxGVLSS9lSCVpUOxLPe
 
 
Details are available for download,
Please click the url to enter our official BBS : http://mh.nodebb.com/topic/2/a-new-devkit-for-esp32

30A ESC Brushless Motor Speed Controller

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en
 

 
 
 
 
200W 6~35V to 6~55V DC/DC Converter Boost Charger Power Converter Modules with Aluminum
Description:
1 , the input voltage : DC 6 ~ 35V
2 , the output voltage : DC 6 ~ 55V ( Note : This board is a booster plate , the output voltage can be greater than or equal to the input voltage )
3 , conversion efficiency : 97.6% ( input 32V output 45V / 3A when measured , the efficiency with input voltage and output voltage and current related )
4, the maximum input power : 200W ( 30V input voltage is greater than the maximum power is reached )
5, the maximum input current : 10A ( long hours , please leave a certain margin )
6, the maximum output current : 7A (Working long hours , please leave a certain margin )
7 , module size : 70x39x32 mm ( length x width x height )
packing content:
100% Brand New
1 x 200W Boost Converter
 
 
 
 
 
 
 
 
 
 
 

Charging mode IN
By setting the upper limit voltage UP and the lower limit voltage dn; when the battery voltage is less than or equal to the lower limit voltage dn, the relay turns on and the charger starts charging the battery; when the battery voltage is more than or equal to the upper limit voltage UP, the relay disconnects to complete an automatic charging; when the relay turns on, IN flickers, indicating that it is charging.
Discharge mode OUT
By setting the upper limit voltage UP and the lower limit voltage dn; when the battery voltage is greater than or equal to the upper limit voltage UP, the relay turns on and starts discharging; when the battery voltage is less than or equal to the lower limit voltage dn, the relay turns off and completes an automatic discharging function; when the relay turns on, the OUT flickers, indicating that it is discharging.
Note: This product is a simple voltage controller. It can turn on and off the output by relay. It only plays the role of switching, and can not change the voltage.
Functional description:
1.    Calculation of Voltage Percentage: Battery Voltage/(Upper Voltage-Lower Voltage)
2. Key function:
Short press UP button, switch display% and time, long press 5 seconds switch mode, charging mode: IN, discharge mode: OUT
SET key: Short Click to view the parameters currently set;
Long press SET button to enter the parameter setting interface, set UP: voltage upper limit, dn: voltage lower limit, OP: turn-on time, dOP: delay turn-on time (0-999 seconds), FOP: forced turn-on time (0-10 seconds) in discharge mode.
Short press DOWN button, turn off/turn on relay enable (emergency stop function) turn off, LCD display OFF, relay disconnect
Long press DOWN button to set the status of LCD backlight L-P: OFF backlight constant brightness, ON: backlight automatically extinguishes after 5-10 minutes; after extinguishing, any key wakes up.
THREE. Parameter Settings.
(a) Enter the parameter setting interface by pressing the SET key for a long time;
B) After entering the parameter setting interface, switch the setting parameters by pressing the SET key.
C) After choosing parameters, it can be set by UP/DOWN key to support short press and long press.
D) To set other parameters, repeat steps B and c;
E) After all parameters are set, press SET key for a long time, exit and save;
3.1 Charging/Discharging Time Control Function
When the time parameter OP is non-zero, start charging/discharging time control.
When the relay turns on a charge/discharge, the countdown begins; when the time is completed, the relay is automatically disconnected to complete a charge/discharge process; if the time is completed, in the charging mode, the detection voltage is less than the lower limit voltage dn or in the discharge mode, the detection voltage is more than the upper limit voltage UP, and the charging time control function is automatically turned off and flashes. Indicate H: ER reminds users that time parameter setting is unreasonable; press any key to stop flickering;
When the charging/discharging time control is not turned on, the product will record a complete time. When entering the time display interface, flashing shows the charging time, then exiting the time display interface or clearing the next time the charging is turned on (relay is turned on).
3.2 Automatic parameter detection:
When the parameters are set and exit, if the lower voltage limit DN is greater than the upper voltage up, the system will flicker to display "ERR" as a reminder.
3.3 Delayed turn-on function (0-999 seconds): completion of a charge/discharge, the interval between re-opening;
3.4 Discharge Conduction Forced Start Time (0-10S): After satisfying the relay conduction condition, the relay is forced to turn on (0-10S) to detect the battery voltage again. This function is mainly aimed at discharging function. Some test loads will pull down the lower limit voltage instantaneously at the moment of conduction, which will lead to the disconnection of the relay and the failure of normal discharge process.
Analysis of Common Faults
Q: How many V levels are suitable for use? How many V voltage does this module fit?
Answer: This model is suitable for use in the range of minimum 6V, maximum 60V voltage and maximum expenditure level 48V, because 48V battery is full of electricity at about 60V, and then burns at a higher level. If your battery is higher than 48V, please choose another one.
Question: The relay clicks after power-on! Does the light flicker?
Answer: This is because your charging current is too large or the battery capacity is too small. Once the battery is powered up, it immediately reaches the upper voltage limit. The relay is disconnected. After disconnection, the voltage quickly drops to the lower voltage limit and starts charging again. At this time, you need to reduce the charging current. Usually, the charging current is 10% of the battery capacity. From 1 to 1.5, the charging current of 20AH batteries is generally about 2-3A. Note that high current charging can cause battery heating, accelerated aging, bulging and even explosion!
Question: What control method? Can it be recharged automatically? Can you fill it while you use it? Can we limit the current?
Answer: This is voltage control, such as setting the lower limit of voltage 12.0V, the upper limit of voltage 14.5V, when the voltage is charged to 14.5V, the power is cut off, the voltage is lowered to 12.0V and the relay is closed to start charging; while charging, the voltage control mode can only switch on and off, not limit the current, the charging current depends entirely on your charger!
Question: Can I charge a 24V battery with 12V input, or can I charge a 12V battery with 48V input?
Answer: This is a simple voltage controller. It only plays a switching role. It can't change the voltage to charge the battery. So what kind of charger should you prepare to charge the battery? Necessary!

Features:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Customer common problems:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Good noise suppression, under the condition of the connected input audio, ears also can't hear any noise on the speaker, dual channel stereo, 5 v power supply can output 3 w 3 w power, can be directly driven 4 Ω, 8 Ω small speakers, big output power, energy, sound quality is good. Unique without LC filter class D digital power board, can use computer USB power supply directly. Double panel wiring, properly solve wiring caused by potential balance and crosstalk between channels, super mini design, can be easily placed in a variety of digital products within a small space, high amplification efficiency. Are all made of solid plate welding machine, welding quality of the manual soldering iron welding comparable!
 
Feature:
Model: PA8403
Power: Low Power
Super size: 1.85 * 2.11 cm
Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise, two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers, the output power large, full of energy, good sound quality. The unique non-LC filter Class-D digital power board can be directly used computer USB power supply. Double panel wiring, wiring properly resolve the ground potential caused by balance and inter-channel crosstalk, ultra-miniature design, can easily be placed in a variety of digital products within a small space, high amplification efficiency. All using the whole plate welding machine, welding quality comparable non-manual soldering iron!
 
Customer common problems:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Good noise suppression, under the condition of the connected input audio, ears also can't hear any noise on the speaker, dual channel stereo, 5 v power supply can output 3 w 3 w power, can be directly driven 4 Ω, 8 Ω small speakers, big output power, energy, sound quality is good. Unique without LC filter class D digital power board, can use computer USB power supply directly. Double panel wiring, properly solve wiring caused by potential balance and crosstalk between channels, super mini design, can be easily placed in a variety of digital products within a small space, high amplification efficiency. Are all made of solid plate welding machine, welding quality of the manual soldering iron welding comparable!
Note: The left and right channel output of the "negative" and can not be connected together, otherwise it will burn IC, and should be preceded powered speakers connected (load).
Rated working voltage 2.5V ~ 5V, limit operating voltage 5.5V.

Features:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Customer common problems:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Good noise suppression, under the condition of the connected input audio, ears also can't hear any noise on the speaker, dual channel stereo, 5 v power supply can output 3 w 3 w power, can be directly driven 4 Ω, 8 Ω small speakers, big output power, energy, sound quality is good. Unique without LC filter class D digital power board, can use computer USB power supply directly. Double panel wiring, properly solve wiring caused by potential balance and crosstalk between channels, super mini design, can be easily placed in a variety of digital products within a small space, high amplification efficiency. Are all made of solid plate welding machine, welding quality of the manual soldering iron welding comparable!
 
Feature:
Model: PA8403
Power: Low Power
Super size: 1.85 * 2.11 cm
Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise, two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers, the output power large, full of energy, good sound quality. The unique non-LC filter Class-D digital power board can be directly used computer USB power supply. Double panel wiring, wiring properly resolve the ground potential caused by balance and inter-channel crosstalk, ultra-miniature design, can easily be placed in a variety of digital products within a small space, high amplification efficiency. All using the whole plate welding machine, welding quality comparable non-manual soldering iron!
 
Customer common problems:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Good noise suppression, under the condition of the connected input audio, ears also can't hear any noise on the speaker, dual channel stereo, 5 v power supply can output 3 w 3 w power, can be directly driven 4 Ω, 8 Ω small speakers, big output power, energy, sound quality is good. Unique without LC filter class D digital power board, can use computer USB power supply directly. Double panel wiring, properly solve wiring caused by potential balance and crosstalk between channels, super mini design, can be easily placed in a variety of digital products within a small space, high amplification efficiency. Are all made of solid plate welding machine, welding quality of the manual soldering iron welding comparable!
Note: The left and right channel output of the "negative" and can not be connected together, otherwise it will burn IC, and should be preceded powered speakers connected (load).
Rated working voltage 2.5V ~ 5V, limit operating voltage 5.5V.

Features:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Customer common problems:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Good noise suppression, under the condition of the connected input audio, ears also can't hear any noise on the speaker, dual channel stereo, 5 v power supply can output 3 w 3 w power, can be directly driven 4 Ω, 8 Ω small speakers, big output power, energy, sound quality is good. Unique without LC filter class D digital power board, can use computer USB power supply directly. Double panel wiring, properly solve wiring caused by potential balance and crosstalk between channels, super mini design, can be easily placed in a variety of digital products within a small space, high amplification efficiency. Are all made of solid plate welding machine, welding quality of the manual soldering iron welding comparable!
 
Feature:
Model: PA8403
Power: Low Power
Super size: 1.85 * 2.11 cm
Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise, two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers, the output power large, full of energy, good sound quality. The unique non-LC filter Class-D digital power board can be directly used computer USB power supply. Double panel wiring, wiring properly resolve the ground potential caused by balance and inter-channel crosstalk, ultra-miniature design, can easily be placed in a variety of digital products within a small space, high amplification efficiency. All using the whole plate welding machine, welding quality comparable non-manual soldering iron!
 
Customer common problems:
1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer?
Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply.
2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good?
Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately.
3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker?
The answer:
1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source.
2, is a kind of reason may be that some power supply is bad interference is very big, switch power supply.
Good noise suppression, under the condition of the connected input audio, ears also can't hear any noise on the speaker, dual channel stereo, 5 v power supply can output 3 w 3 w power, can be directly driven 4 Ω, 8 Ω small speakers, big output power, energy, sound quality is good. Unique without LC filter class D digital power board, can use computer USB power supply directly. Double panel wiring, properly solve wiring caused by potential balance and crosstalk between channels, super mini design, can be easily placed in a variety of digital products within a small space, high amplification efficiency. Are all made of solid plate welding machine, welding quality of the manual soldering iron welding comparable!
Note: The left and right channel output of the "negative" and can not be connected together, otherwise it will burn IC, and should be preceded powered speakers connected (load).
Rated working voltage 2.5V ~ 5V, limit operating voltage 5.5V.

     

     

     

What's new with D1 mini Pro
4M bytes Flash
External antenna connector
Built-in ceramic antenna
New CP2104 USB-TO-UART IC
Same size as D1 mini, but more light
 
 

Product parameters:
 
Humidity measurement range: 0% to 99.9% (0°C-50°C range)
Humidity measurement error: ±2%
Temperature measurement range: -40 ° C ~ 80 ° C
Temperature measurement error: ±0.5°C max ±1°C
Resolution: 16 bits
Sampling period: 2s
Working voltage: 3V--5.5V

Product parameters:
 
Humidity measurement range: 0% to 99.9% (0°C-50°C range)
Humidity measurement error: ±2%
Temperature measurement range: -40 ° C ~ 80 ° C
Temperature measurement error: ±0.5°C max ±1°C
Resolution: 16 bits
Sampling period: 2s
Working voltage: 3V--5.5V

Module Highlights:
Support Lead-acid battery and Acting Battery,voltage range:6V~60V;
 Can display voltage,percent of battery,charging time at the same time through LCD;
The function is very powerful,realizes the automatic charge control, the control charge time, also may set up and uploads the corresponding parameter through the serial port;
Function description:
1. Automatic Charge control function:
 By setting the volt-HI:'UP' volt-LI:'dn';When the battery voltage is below the volt-LI:'dn',the relay leads,the charger begins to charge the battery;when the battery voltage is up to volt-HI:'UP',the relay is diconnected and the automatic charge is completed once;
2. Charge Time Control Function:
How to turn on the time control function?
After entering the parameter set, set the parameter op is non-zero, then turn on the time control function, op default parameter is:--:--h, the default does not turn on time control function;
After the opening Time control function (OP is non-zero), when the battery voltage is the lower volt-LI'dn', the charger began to charge the battery, the system began to clock; During the timing, the battery voltage ≥ volt-HI'UP', relay disconnect; If the OP time is up, the battery voltage is still the lower volt-LI'dn', the relay keeps the conduction, automatically closes the charge time control function, and flashes the H:ER to remind the user, the time parameter setting is unreasonable; Press any key to stop flashing;
 Note: Time format: 00:59 (00 for hours, 59 for minutes) The maximum time is 99:59, which is 100 hours.
3. Serial data upload and parameter setting function:
The system supports UART data upload and parameter setting UART:115200,8,1
Cmd                     Func
on             Relays enable to open
off             Relays disable to open
start            Start data upload
stop            Stop data upload
read         Read the param setting
dw10.0         Set volt-LI:'dn'
up20.0         Set volt-HI:'UP'
xx:xx          Set the charge time OP 00:00 stop charge time
 
Data Upload message Format:
 Battery voltage battery percent charge time charge status 12.0V,020% ,00:10,OP
 
Parameter Setting:
Press and hold the SET key to enter the setting interface;
Switch the parameters you want to set by short press SET;
After the selection of parameters, can be set by the UP/DOWN key to support the short press, long press (fast increase or decrease); To set other parameters, repeat step b, c);
After all parameters are set, long press set key to exit and save;
The Key Function Description:
In the Run interface (main interface):
Short press SET button to display the current set of parameters; Short press UP button, toggle display charge percentage and charging time;
Short Press DOWN button, select Turn on/off relay enabling, if the relay can be closed, will show ' off ' as a reminder;
Long press UP button, switch low power state
on:No operation in 10 minutes turn off backlight
OFF: Backlight is always bright
Long press SET button,enter the parameter settings.
Calculation of voltage percentage:
voltage percentage = battery voltage/(volt-HI - volt-LI)
 Additional Features
a) Charging time recording function: not open charging time control, the product will record a full time, when the entry time display interface, flashing display charging time, and then exit time display interface or next charge to open (relay conduction) when empty;
b) Automatic parameter detection: When the parameters are set, exit, if volt-LI dn≥ volt-HI UP, the system will flash display "ERR" as a reminder;
c) Battery Access detection: This product attached to the battery, if not connected to the battery, the system will be shown in the downlink "NbE" as a reminder
Analysis of common failures
Q: How much is suitable for V level use? How much v voltage does this module fit?
 A: This section is suitable for the minimum 6V, the highest 60V voltage range, the maximum expenditure level 48V, because 48V battery full of electricity in 60V, and then a high fever, if your battery is higher than 48V, please select other section.
Q: The power of the subsequent electrical appliances snapped! LED flashing?
A: This is because your charging current is too large or the battery capacity is too small to cause a power to immediately reach the voltage limit, relay disconnect, disconnect, the voltage and quickly down to the lower voltage, and began to recharge, cycle, at this time you want to reduce the charging current only line, Usually the charging current is the battery capacity of the very 1 to 1.5, such as 20AH battery charging current generally around 2-3a! Note that a large current charge will cause the battery fever accelerated aging, drum kits and even explosions!
Q: What control mode? Can I cycle the charge automatically? Can I use the side charge? Can I limit the flow?
A: This is voltage control, For example, set the voltage limit of 12.0V, voltage up to 14.5V, voltage charge to 14.5V this value on the power off, voltage down to the 12.0V relay closed and start charging, can be filled with side, voltage control mode only to turn off and open, can not limit the flow, charging current completely depends on your charger!
Q: Input 12V can or not charge 24V battery, or enter 48V can give 12V battery charge?
A:This is a simple voltage controller, only play the role of switch, can not swing to the battery charge, so you want to give what battery charge to be ready what kind of charger! It's necessary!

Module Highlights:
Support Lead-acid battery and Acting Battery,voltage range:6V~60V;
 Can display voltage,percent of battery,charging time at the same time through LCD;
The function is very powerful,realizes the automatic charge control, the control charge time, also may set up and uploads the corresponding parameter through the serial port;
Function description:
1. Automatic Charge control function:
 By setting the volt-HI:'UP' volt-LI:'dn';When the battery voltage is below the volt-LI:'dn',the relay leads,the charger begins to charge the battery;when the battery voltage is up to volt-HI:'UP',the relay is diconnected and the automatic charge is completed once;
2. Charge Time Control Function:
How to turn on the time control function?
After entering the parameter set, set the parameter op is non-zero, then turn on the time control function, op default parameter is:--:--h, the default does not turn on time control function;
After the opening Time control function (OP is non-zero), when the battery voltage is the lower volt-LI'dn', the charger began to charge the battery, the system began to clock; During the timing, the battery voltage ≥ volt-HI'UP', relay disconnect; If the OP time is up, the battery voltage is still the lower volt-LI'dn', the relay keeps the conduction, automatically closes the charge time control function, and flashes the H:ER to remind the user, the time parameter setting is unreasonable; Press any key to stop flashing;
 Note: Time format: 00:59 (00 for hours, 59 for minutes) The maximum time is 99:59, which is 100 hours.
3. Serial data upload and parameter setting function:
The system supports UART data upload and parameter setting UART:115200,8,1
Cmd                     Func
on             Relays enable to open
off             Relays disable to open
start            Start data upload
stop            Stop data upload
read         Read the param setting
dw10.0         Set volt-LI:'dn'
up20.0         Set volt-HI:'UP'
xx:xx          Set the charge time OP 00:00 stop charge time
 
Data Upload message Format:
 Battery voltage battery percent charge time charge status 12.0V,020% ,00:10,OP
 
Parameter Setting:
Press and hold the SET key to enter the setting interface;
Switch the parameters you want to set by short press SET;
After the selection of parameters, can be set by the UP/DOWN key to support the short press, long press (fast increase or decrease); To set other parameters, repeat step b, c);
After all parameters are set, long press set key to exit and save;
The Key Function Description:
In the Run interface (main interface):
Short press SET button to display the current set of parameters; Short press UP button, toggle display charge percentage and charging time;
Short Press DOWN button, select Turn on/off relay enabling, if the relay can be closed, will show ' off ' as a reminder;
Long press UP button, switch low power state
on:No operation in 10 minutes turn off backlight
OFF: Backlight is always bright
Long press SET button,enter the parameter settings.
Calculation of voltage percentage:
voltage percentage = battery voltage/(volt-HI - volt-LI)
 Additional Features
a) Charging time recording function: not open charging time control, the product will record a full time, when the entry time display interface, flashing display charging time, and then exit time display interface or next charge to open (relay conduction) when empty;
b) Automatic parameter detection: When the parameters are set, exit, if volt-LI dn≥ volt-HI UP, the system will flash display "ERR" as a reminder;
c) Battery Access detection: This product attached to the battery, if not connected to the battery, the system will be shown in the downlink "NbE" as a reminder
Analysis of common failures
Q: How much is suitable for V level use? How much v voltage does this module fit?
 A: This section is suitable for the minimum 6V, the highest 60V voltage range, the maximum expenditure level 48V, because 48V battery full of electricity in 60V, and then a high fever, if your battery is higher than 48V, please select other section.
Q: The power of the subsequent electrical appliances snapped! LED flashing?
A: This is because your charging current is too large or the battery capacity is too small to cause a power to immediately reach the voltage limit, relay disconnect, disconnect, the voltage and quickly down to the lower voltage, and began to recharge, cycle, at this time you want to reduce the charging current only line, Usually the charging current is the battery capacity of the very 1 to 1.5, such as 20AH battery charging current generally around 2-3a! Note that a large current charge will cause the battery fever accelerated aging, drum kits and even explosions!
Q: What control mode? Can I cycle the charge automatically? Can I use the side charge? Can I limit the flow?
A: This is voltage control, For example, set the voltage limit of 12.0V, voltage up to 14.5V, voltage charge to 14.5V this value on the power off, voltage down to the 12.0V relay closed and start charging, can be filled with side, voltage control mode only to turn off and open, can not limit the flow, charging current completely depends on your charger!
Q: Input 12V can or not charge 24V battery, or enter 48V can give 12V battery charge?
A:This is a simple voltage controller, only play the role of switch, can not swing to the battery charge, so you want to give what battery charge to be ready what kind of charger! It's necessary!

Buyer NOTE:
this module with out battery!!!!
DS1307 I2C real-time clock chip (RTC)
24C32 32K I2C EEPROM memory
The using LIR2032 rechargeable lithium battery with charging circuit
Solve the problem DS1307 with backup battery can not read and write.
Fully charged, it can provide the DS1307 timing 1.
Compact design, 27mm 28mm 8.4mm
Leads to the a DS1307 clock pin, to provide the clock signal for the microcontroller.
Can be cascaded to other I2C devices

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

 
This module advantages: 
 
A low price, only to earn a small profit base, hope that this will bring more rapid development of animal networking 
 
Two powerful internal ran LWIP agreement 
 
3 supports three modes: AP, STA, AP STA coexistence mode 
 
4 perfect simple and efficient AT commands, allowing you to develop more simple. 
 
       Things history of this concept has been five or six years, but has never really into life! The reason is as follows: Things have to be regarded networking things, but to get networked household appliances, before costly price overshadowed main circuit board! Therefore lingering large area applications. But only a matter of time! We waited for 3-5 years, various radio manufacturers, network equipment design giants have all eyes on this market, as we all know: If the price down, the demand is huge, the initial conservative estimate of global demand at 1.5 billion stars of the annual demand. So TI's CC series Qualcomm QCA400X series MTK's MT76XX series and East China Normal University and Taiwan have several research and development capabilities, have started in April 2014, are small quantities to test the water! And at the beginning of June 2014 to July have to market prices from over 50 over 40 over 30 over 20 dollars, this is just the price strategy between suppliers, but their marketing strategies must comply with market rules and people's spending power, in order to get large quantities of promotion, WIFI chip prices must be the product of the proportion of things in the whole BOM costs must be lower than 30% in order to get a large area, but before June 2014 a, WIFI cost module in the customer material costs accounted for almost 60% of the cost! Clearly this is unreasonable, and hindered the pace of development of this industry. 
 
        According to market rules: analysis of the current market can have several competitive WIFI chip manufacturers, although each one has launched its own WIFI chip, and input costs millions of tens of millions. But the real survive, and only one or two. Because their production process, and design, as well as application experience, and price positioning of customers. And China's market, can truly unified market presumably only one! Is simply cruel reality. Things in the upcoming initial flourish, can choose a truly competitive chips. That is for the future development of crucial! We do not want the wrong team. . . 
 
      In the absence of more cattle X chip out now is the most cattle X.
 
After the recent trends in the situation more than a month, almost shocking, because the whole market is that several have made tremendous feeling! 
 
Let us appreciate: no final finisher, simply because most cattle X, it has not yet appeared. . . . Everything is just the beginning! ! 
 
But things really make the entire industry toward the climax is: the emergence of Shanghai Yue Xin Technology ESP8266 chip. They incredible 
 
Hardware and software update rate, and very shocking price advantage to market quickly! So that the entire industry is not a trace of preparedness. 
 
Yue Xin advantages: 
 
        A very professional, Espressif is Shanghai Yue Xin, only WIFI. Several other competitors do more pan. 
 
        2 staffing more powerful, 30-40 WIFI chip engineers only for this service! None can do it? 
 
        High professional quality three officers, who CEO for the United States Chief Technology Officer, a well-known listed companies, there are several men Dr. returnees. 
 
        4 More to the point: a pragmatic! Office area, although not super big, but all are professionals, there is no redundancy in the department, really appreciate it, do not speak face-saving projects, working sense, this is a lot of companies can not do. 
 
        5 ground gas, Xin Yue contacted each employee, are very enthusiastic and gas. They can efficiently happy to help you solve technical issues and business problems you encounter. In contrast, several other companies: their superior technical personnel operational staff, dragon head, not the tail, are more difficult to want to learn, to reflect on. 
 
    Very honored that we smooth the fastest chip batch applications, and consignment. We are confident: we launched ESP8266 Series modules are available in the market the most cost-competitive products. 
 
      We hope that several Espressif the ESP8266 module, allowing your products with a strong competitive advantage. And consignment chip! 
 
The industry's smallest, industrial grade stability! The most cost-effective.
 
 
 

Product Description:
tracing sensors, the robot produced essential
Use infrared light to detect anti-interference ability
Sensors to adopt CTRT5000 high sensitivity, stable performance
Working voltage of 5V, the output of the black line low, white line of high output
Exquisite workmanship, with the indicator
Has a fixed bolt hole for easy installation

SI4438 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth
1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)
2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).
3: The default idle current: 16MA (modules in different operating current of the different operating modes).
4: Module Size: 27.8mm × 14.4mm × 4mm.
5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)
6: The module supports software upgrades. (We provide customers with software upgrades)
7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).

 
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm/
Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules
Quality:1Set
The left side of the module to the input port, the right to an output port
When the control of a single module, simply input port connected to CPU
When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on...
51 microcontrollers, for example:
VCC 5V
GND GND
DIN P2.2
CS P2.1
CLK P2.0
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

 
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm/
Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules
Quality:1Set
The left side of the module to the input port, the right to an output port
When the control of a single module, simply input port connected to CPU
When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on...
51 microcontrollers, for example:
VCC 5V
GND GND
DIN P2.2
CS P2.1
CLK P2.0
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

 
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm/
Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules
Quality:1Set
The left side of the module to the input port, the right to an output port
When the control of a single module, simply input port connected to CPU
When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on...
51 microcontrollers, for example:
VCC 5V
GND GND
DIN P2.2
CS P2.1
CLK P2.0
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

 

Descriptions:
KCX_BT002 is a multi-purpose bluetooth audio module with bluetooth audio and BTcall. Support matching all kinds of smart phones on the market players to play music, and support telephone voice report, answering the telephone/end calls/redial recent calls, and other functions. Simply apply this decoding board into your product, it can be upgrade normal audio cable products to a wireless bluetooth audio.
 
Features:
1. Excellent durability and coexistence
2. Ensure the stability of the Bluetooth transmission through a variety of techniques 
3. Intuitive LED indicator
4. Voice prompt, telephone voice reporting
5. The external key is easy to use without the differential resistance
6. Wireless transmission distance ≥ 10 m
7. Typical applications: Home Bluetooth Speakers, Speaker Maintenance, Car player modified, Computer Speaker Upgrade, etc.
 
Specifications:
Power Supply: 3.3-5.0V
Working Current: 35mA
Channel: Stereo
Bluetooth Version: 4.2
Working Frequency: 2400-2485MHz
Receiving Sensitivity: -85dBm
Size: 3.1x1.4cm/1.22x0.55"
Quantity: 1 Pc
 
Note: 
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
No Retail Package
 

 
The tilt sensor using MEC original tilt switch SW-460D, high sensitivity, the change is usually used to detect angle. Module without tilt or slope angle is not up to the preset threshold, DO port output high level, when the sensor tilt angle exceeds the preset threshold, module D0 output low level; Small digital output D0 can be directly connected with the MCU, the MCU to detect changes of level, thereby to detect objects angle; Small digital output DO can directly drive the relay module, which can form a tilt switch; Change of the sensor can sense the object angle Working voltage 3.3V-5V Digital output form output switch (0 and 1) A fixed bolt holes, easy to install Small PCB size: 3cm * 1.6cm

Product Introduction
GP2Y0A02YK0F is a distance measurement sensor module.
It consists of three parts: PSD (position sensitive detector) and IRED (infrared emitting diode) and signal processing circuit. Due to the triangulation method, the material of the measured object, the ambient temperature and the measurement time do not affect the measurement accuracy of the sensor. The sensor output voltage value corresponds to the detected distance. By measuring the voltage value, the distance of the detected object can be obtained, so this sensor can be used for distance measurement, obstacle avoidance and the like.
 
Technical Parameters
Supply voltage: 4.5 to 5.5 V
Power consumption: nominal 33 mA
Packing size: 29.5 × 13 × 21.6 mm
Distance measurement range: 20 to 150 cm
Signal output type: voltage analog signal
Based on the principle of triangulation
Output is inversely proportional to distance
Analog output, requires microcontroller control with AD converter
The higher the AD number, the more accurate the distance measurement effect, and the 10-bit AD can reach 0.1cm.
SD card insertion detection and write protection detection ports are all pulled out for convenient function expansion

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en