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Note:this product is with DIP capacitor LM2596 step-down module
 

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
New Socket Adapter plate Board for 8Pin NRF24L01 Wireless Transceive module 51
 
Wireless module operating voltage is generally 3.3v, while the ordinary 51 microcontroller 5v, this module is easy toshop wireless module with 51 single system board used in conjunction.    
This module can be any one of 51 shop is directly connected to the system board, easy to use.    
It's for 8 Pin NRF24L01 Module    
This is a simple socket board which is for NRF24L01 Wireless module    
on-board AMS1117-3.3 chip    
It could be used with NRF24L01 Wireless module at our store.

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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.
 
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Product parameters:
Size: 33.4 * 25.6MM
Voltage: 3.3V, 5V
Port: the digital quantity level
The output load voltage: 0 to 24V
The output load current: < 5A (more than 1A need to add heat sink)
Platform: the Arduino, MCU, ARM, raspberry pie
 
The product features:
Using original IRF520 power MOS tube, can adjust PWM output
Can let the Arduino drive up to 24 v load, such as LED lights belt, dc motor, micro pump, solenoid valve
By PWM adjustable can realize stepless dimming LED, motor stepless speed regulation
The product instructions:
PWM signal for high level effectively
When the PWM for high level (3.3 V to 3.3 V) :
As the power supply voltage, between V and V - working indicator, work load
When the PWM is low level (0 V to 0.5 V) :
V and V - between 0, work lights out, don't work load

8 channels bidirectional voltage translation between different logic level, translate between Ax and Bx automatically
Voltage level: 1.8V-6V
Dimension: 21mm x 15mm
How to Use
In the case of translating between 3.3V and 5V system:
VCCA connects to 3.3V power supply
VCCB connects to 5V power supply
GND connects to power negative pole respectively, the two power supply should be common-grounded with each other
When Ax has TTL 3.3V input, Bx will get TTL 5V output
When Bx has TTL 5V input, Ax will get TTL 3.3V output
NO direction control required

Products:
Fast Free Ship
XH-M125 Singing machine amplifier XPT8871 single track amplifier board lithium battery board 6W
Size:20mm*16mm*8mm
Voltage: DC 3-5V
Power: stereo mono 5W
Feature: Anti-jamming, high quality, low power consumption

TTP223 TTP223B Jog digital touch sensor capacitive touch touch switch modules Accessories for arduino

KY-037 High Sensitivity Sound Microphone Sensor
Size:32mm*17mm*8mm(length*width*height)
Main chip:LM393, Electret condenser microphone
Working voltage: DC 4-6V
Signal output indication
Single channel signal output
The output effective signal is low level
When there is sound, outputs low level and the signal light
Can be used for Acoustic control light , give sound and light alarm working with Photosensitive sensor ,and sound control, sound detect
Circuit board output switch quantity
Note: The Maximum induction distance is 0.5
 
 
 
 
 
 
Sound Detection Sensor Module
A product features:
1. Can detect the sound intensity of the surrounding environment, use Note: This sensor can only identify the presence of sound (according to the principle of vibration) can not recognize the size of the sound or a specific frequency of sound
2. Adjustable sensitivity (blue digital potentiometer adjustment)
3. Operating voltage 3.3V-5V
5. Output form Digital switch output (0 and 1 high and low level)
6. With fixed bolt holes, easy to install
7. Small board PCB size: 3.2cm * 1.7cm
Two module wiring instructions
1.VCC external 3.3V-5V voltage (can be directly connected with the 5v microcontroller and 3.3v single-chip)
2.GND external GND
3.OUT small board switch output interface (0 and 1)
Three instructions
1. Sound module is the most sensitive to the sound intensity of the environment, generally used to detect the sound intensity of the surrounding environment.
2. When the ambient sound intensity reaches the set threshold, the OUT output high level, when the external ambient sound intensity exceeds the set threshold, the module OUT output low;
3. Small board digital output OUT can be directly connected with the microcontroller, through the microcontroller to detect high and low levels, which to detect the sound of the environment;

 
Description:
 
Size: 21mm x 18mm
 
1.71V to 3.6V Supply Voltage
 
Max I2C Speed: 3.4Mhz
 
Low power consumption - 2.7uA at 1Hz
 
I2C , SPI(4 Wire) , SPI(3 Wire) interface
 
Very low noise - up to 0.2Pa (1.7cm) and 0.01 temperature
 
Full calibrated
 
Pressure Range: 300hPa to 1100hPa ( 9000m to -500m)
Packing List:
BMP280*1PCS

DRV8833 2 Channel DC Motor Driver Module Board 1.5A 3V-10V

NE555-Red：
1, Size: 3.1CM * 2.2CM 1, the main chip: NE555;
2, Input voltage: 5V-15VDC. 5V power supply, the output current can 15MA around; 12V power supply, the output current can 35MA around;
3, the input current: 100MA
4, the output amplitude: 4.2V V-PP to 11.4V V-PP. (Different depending on the input voltage, the output amplitude will be different)
5, the maximum output current: 15MA (5V power supply, V-PP greater than 50% ), 35MA (12V power supply, V-PP greater than 50% )
 
The scope of this module:
1 is used as a square wave signal generator generates a square wave signal used for experimental development.
2 to drive a stepper motor for generating a square wave drive signal.
3 adjustable pulse generated for use by MCU.
4 adjustable pulse generation, control circuitry associated.
Advantages: 1, the output with LED indication, there is no output straightforward (low LED volume, high LED off frequency is relatively low, the LED flashes);
2, the output level selectable frequency range, the output frequency is more continuously adjustable; LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz High-frequency file: 1KHz ~ 10kHz HF file: 10kHz ~ 200kHz
3, the output duty cycle can fine-tune, duty cycle and frequency is not separately adjustable, adjusting the duty cycle will change the frequency
4, the output frequency is adjustable; Period T = 0.7 (RA 2 RB) C RA, RB is 0-10K adjustable; Low profile when C = 0.001UF; IF stalls C = 0.1UF; High-frequency file C = 1UF; HF stalls C = 100UF, so the frequency of the waveform buyers can own calculations
 
NE555-Blue：
1. Onboard NE555 IC.
2. Single channel signal output, the output duty cycle about 50% square wave.
3. Plate load resistor, adjust the resistance to control the output frequency.
4. Onboard power indicator. 5. Working voltage: 5V~12V.

NE555-Red：
1, Size: 3.1CM * 2.2CM 1, the main chip: NE555;
2, Input voltage: 5V-15VDC. 5V power supply, the output current can 15MA around; 12V power supply, the output current can 35MA around;
3, the input current: 100MA
4, the output amplitude: 4.2V V-PP to 11.4V V-PP. (Different depending on the input voltage, the output amplitude will be different)
5, the maximum output current: 15MA (5V power supply, V-PP greater than 50% ), 35MA (12V power supply, V-PP greater than 50% )
 
The scope of this module:
1 is used as a square wave signal generator generates a square wave signal used for experimental development.
2 to drive a stepper motor for generating a square wave drive signal.
3 adjustable pulse generated for use by MCU.
4 adjustable pulse generation, control circuitry associated.
Advantages: 1, the output with LED indication, there is no output straightforward (low LED volume, high LED off frequency is relatively low, the LED flashes);
2, the output level selectable frequency range, the output frequency is more continuously adjustable; LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz High-frequency file: 1KHz ~ 10kHz HF file: 10kHz ~ 200kHz
3, the output duty cycle can fine-tune, duty cycle and frequency is not separately adjustable, adjusting the duty cycle will change the frequency
4, the output frequency is adjustable; Period T = 0.7 (RA 2 RB) C RA, RB is 0-10K adjustable; Low profile when C = 0.001UF; IF stalls C = 0.1UF; High-frequency file C = 1UF; HF stalls C = 100UF, so the frequency of the waveform buyers can own calculations
 
NE555-Blue：
1. Onboard NE555 IC.
2. Single channel signal output, the output duty cycle about 50% square wave.
3. Plate load resistor, adjust the resistance to control the output frequency.
4. Onboard power indicator. 5. Working voltage: 5V~12V.

Features:
1) high-accuracy voltage detection circuit;
2) terminal of the charger using high voltage device;
3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, load short circuit);
4) MOS transistor can control the battery charge and discharge;
 
 
Parameter:
Over charge voltage: 4.25±0.05V
Over charge release voltage:4.23±0.05V
Over discharge voltage:2.54±0.1V
Maximal continuous charging current: 2A
Maximal continuous Discharging current: 2A
Over current protection: 3A
Size: L40*W4*T3mm
Weight: 10g
 

Features:
1) high-accuracy voltage detection circuit;
2) terminal of the charger using high voltage device;
3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, load short circuit);
4) MOS transistor can control the battery charge and discharge;
 
 
Parameter:
Over charge voltage: 4.25±0.05V
Over charge release voltage:4.23±0.05V
Over discharge voltage:2.54±0.1V
Maximal continuous charging current: 2A
Maximal continuous Discharging current: 2A
Over current protection: 3A
Size: L40*W4*T3mm
Weight: 10g
 

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.

Material: Electronic components PCB
Size: About 31 * 19 * 29mm / 1.22" * 0.75" * 1.14"
Main color: Black
Working voltage: 5V
Pulse circle: 20
 
 
 

Multi-function mini boost module
 
Basic parameters
The output voltage can be set to 5V/8V/9V/12V, the default is 12V
Input voltage range: 2.5V~VOUT-0.5V
Output performance: Take 3.7V lithium battery input as an example, it can output 5V1.2A, 8V0.7A, 9V0.6A, 12V0.5A. Make sure that the input current and output current do not exceed 1.5A.
Voltage setting description
The front side of the PCB can be seen with the words A and B. The output voltage can be changed by using the soldering iron to change the pad on and off. In the following table, 0 means the pad is disconnected and 1 means the pad is connected.
A B VOUT
0 0 5V 0 1 8V
1 0 9V
1 1 12V
The pad next to the LED indicator can also be turned off to turn off the indicator.
Product size: 22 × 11 × 3.6mm
 

100% brand new and high quality
Material: Plastic and Metal
Use: Power on the computer, we will hear the familiar sound of "beep" a sound, generally indicating that the computer can be used normally, the sound is emitted from the "baby."
Red is positive, black line is negative (in fact, regardless of the positive and negative, as long as the interface connected to the Speaker can be used)
Board alarm tone Description
AWARD BIOS ringing of the general meaning is:
1 short: the system starts properly, which we hear every day, but also that machines without any problems.
2 short: General error, please enter the CMOS Setup, reset the incorrect options.
1 long 1 short: RAM or motherboard error, try for a memory, if that does not work, had to replace the motherboard.
1 long 2 short: Monitor or display card error.
1 long 3 short: Keyboard controller error, check the motherboard.
1 long 9 short: board Flash RAM or EPROM error, BIOS damage. For the block Flash RAM try.
Continuous sound (long beeps): memory is not seated or damaged. Re-insert the memory, if that does not work, replace only a memory.
It kept ringing: power supply, display and graphics card connected.
Check all plugs.
Repeat short ring: Power problems.
No sound No display: power problems.
No retail package

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
 
1 , on-board MAX485 chip , is a tool for RS-485 communications , low-power , Slew-Rate Transceiver
2 , onboard then 5.08 (mm) pitch 2P terminal for easy wiring RS-485 communication
3 , the chip has drawn all of the pins can be controlled by the microcontroller operation
4, Working voltage : 5V
5 , board size : 44 (mm) x14 (mm)
 
 
 

Product description
 
 
WH148 Potentiometer knob Cap AG2 Plastic knob for Diameter 6mm Plum Handle 
5 Colors*2PCS=10PCS
Yellow *10
Orange *10
Blue *10
White *10
Red *10

Product description
 
 
WH148 Potentiometer knob Cap AG2 Plastic knob for Diameter 6mm Plum Handle 
5 Colors*2PCS=10PCS
Yellow *10
Orange *10
Blue *10
White *10
Red *10

Product description
 
 
WH148 Potentiometer knob Cap AG2 Plastic knob for Diameter 6mm Plum Handle 
5 Colors*2PCS=10PCS
Yellow *10
Orange *10
Blue *10
White *10
Red *10

Product description
 
 
WH148 Potentiometer knob Cap AG2 Plastic knob for Diameter 6mm Plum Handle 
5 Colors*2PCS=10PCS
Yellow *10
Orange *10
Blue *10
White *10
Red *10

Product description
 
 
WH148 Potentiometer knob Cap AG2 Plastic knob for Diameter 6mm Plum Handle 
5 Colors*2PCS=10PCS
Yellow *10
Orange *10
Blue *10
White *10
Red *10

Product description
 
 
WH148 Potentiometer knob Cap AG2 Plastic knob for Diameter 6mm Plum Handle 
5 Colors*2PCS=10PCS
Yellow *10
Orange *10
Blue *10
White *10
Red *10

 1, Operating voltage 5V
2, Output wavelength 650 nm
3, With fixed bolt hole for easy installation

For ESP-01 Esp8266 ESP-01S Model Of The ESP8266 Serial Breadboard Adapter To WiFi Transceiver Module Breakout UART Module

Before use, before debugging, the default output is about 9V. Input voltage 4.5-8V The output voltage can be continuously adjusted 4.3-27V (4.3V or more, 27V or less, any voltage can be output, you can adjust the voltage counterclockwise) Charging voltage 4.2V Charging current is 1A Discharge current 2A output current to calculate Output reference maximum current 5V 1.4A , 9V 0.8A, 12V 0.6A Static current is about 0.5 mA Overshoot protection Overdischarge protection None (it can be said that there is 2V cut-off boost, but there is still 2V without blocking the output) Cut-off boost 2V, depending on the situation, whether to add a protection board For example, VIN termination 5V solar panel BAT terminal can output 4.2V to 3.7V 18650 battery charging OUT terminal can output an adjustable voltage How much you need to adjust Can be used for multimeters, modified lithium battery charging

 
Overview: RGB LED module made from a plugin full-color LED, through the R, G, B three pin PWM voltage input can adjust the three primary colors (red/blue/green) strength so as to realize full color melange effect.With the Arduino module can realize the control of cool lighting effects. Second, the product parameters: Product Features: 1. The use of plug-in full-color LED 2. The RGB tricolor current-limiting resistance to prevent burn out (3) is obtained by PWM adjusting three primary colors can mix different colors 4. With a variety of single chip microcomputer interface 5. Working voltage: 5 v Module Parameters: 1. The PCB size: 15 mm * 10.6 mm 2. PCB color: green 3. USES 5050 full-color super bright LED 4. To prevent burn resistor LED 5. Can meet all kinds of single chip microcomputer 6. High light LED 7. Working voltage: 3.3 V / 5 V 8. Weight: 4 g 9. Can be used directly plugged into the motherboard Arduino, without dupont lines to connect

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