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 Product Description
LED bulb Power: 10W Luminance: 900-1000LM
Current: 800-900mA Voltage: DC 9-12V(if use DC 12,Recommended Series a about 1.50 ohm resistor to use)
Integrated approach: Series 3 and 3
Color: Daylight white /warm white /red /blue /green /yellow
Size (L x W): Approx. 1.15 x 0.8 inch / 2.9 x 2 cm
Light-emitting part of the size: 11mm * 11mm
LifeSpan Time : > 50,000 hours
Application: Landscape scene / spot lighting Architectural lighting Display scene Artwork lighting general lighting Amusement park scene Aquarium lighting 10x LED bulb

 
 Product Description
LED bulb Power: 10W Luminance: 900-1000LM
Current: 800-900mA Voltage: DC 9-12V(if use DC 12,Recommended Series a about 1.50 ohm resistor to use)
Integrated approach: Series 3 and 3
Color: Daylight white /warm white /red /blue /green /yellow
Size (L x W): Approx. 1.15 x 0.8 inch / 2.9 x 2 cm
Light-emitting part of the size: 11mm * 11mm
LifeSpan Time : > 50,000 hours
Application: Landscape scene / spot lighting Architectural lighting Display scene Artwork lighting general lighting Amusement park scene Aquarium lighting 10x LED bulb

 
 Product Description
LED bulb Power: 10W Luminance: 900-1000LM
Current: 800-900mA Voltage: DC 9-12V(if use DC 12,Recommended Series a about 1.50 ohm resistor to use)
Integrated approach: Series 3 and 3
Color: Daylight white /warm white /red /blue /green /yellow
Size (L x W): Approx. 1.15 x 0.8 inch / 2.9 x 2 cm
Light-emitting part of the size: 11mm * 11mm
LifeSpan Time : > 50,000 hours
Application: Landscape scene / spot lighting Architectural lighting Display scene Artwork lighting general lighting Amusement park scene Aquarium lighting 10x LED bulb

    Parameters:
The module name: 12A buck perfect version
The modular nature: non isolated buck module     
Input voltage: 4.5-30V input voltage should not exceed 30V!!!
Output voltage:1.25-30V continuous adjustable
Output current: 0-12A 100W to strengthen the heat up to 200W,
Working temperature: -40~ 85 degrees
Operating frequency: 300KHz
Conversion efficiency:maximum  95% (efficiency is related to the input, the output voltage, current, pressure difference)
Short circuit protection:have (current limiting 14A) please try not to short circuit
Over temperature protection:have (automatic shutdown output ultra temperature)
Input reverse connection protection: No, (such as the need to please series diodes in the input)
Installation: 4pcs 3mm screws
Connection: connecting terminal, without welding, V-IN input, V-OUT output, with the housing modules for welding line output
Module size: length 60mm width 51mm high 22mm
Scope of application:
This module can be applied to the field of the input voltage higher than the output voltage,    
such as battery, power transformer, DIY adjustable regulated power supply, 24V vehicle notebook
power, vehicle LED lamp with power supply, industrial equipment, buck, 12V to 3.3V, 12V to 5V,
24V to 5V, 24V to 12V etc.
 

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!

The input voltage: 7-32 v
The Output voltage: 0.8-28 V continuous adjustable
The Output current: adjustable, maximum 9 a
The Output power: 250 w (high temperature to enhance heat dissipation)
Working temperature: - 40 - 85
Conversion efficiency: 88% - 95%
 
 

Description
Module name :250W boost constant current module
Module properties: non-isolated step-up module (BOOST)
Input voltage: DC8.5V-48V
Input current: 10A (MAX) exceeds 8A please enhance heat dissipation
Quiescent current: 10mA (12V liter 20V, the output voltage, the higher
the current will increase too quiet)
Output voltage: 10-50V continuously adjustable
Constant] range: 0.2-8A
Temperature: -40 to 85 degrees (ambient temperature is too high, please enhance heat dissipation)
Operating frequency: 150KHz
Conversion efficiency: up to 96%
Overcurrent protection: There
Input reverse polarity protection: Yes,
Installation: 4 3mm screw holes
Connection method: Connection Output
Module size: Length 70mm width 36mm height 13mm
Single module: 50 g
Applications:
1, DIY a power supply, 12V can input and output can 12-50V adjustable.
2, the power supply for your electronic device, according to your
system can set the output voltage value.
3, as the car power supply for your laptop, PDA or a variety of digital
products supply.
4, DIY a mobile notebook power supply: 12V coupled with high-capacity
lithium battery pack, so you can go where light where books.
5, solar panel regulator.
6, to the battery, rechargeable lithium batteries.
7, driving high-power LED lights.

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 Name: GP2Y1010AU0F dust sensor module
Technical parameters:
Power supply voltage: DC5 ± 2V
Operating Current: 20mA (peak)
Sensitivity: 0.5V / (0.1mg / m3)
The minimum detection level of particles: 0.8 m
Clean air voltage: 0.9V typ.
Working temperature: -10 ~ 65 
Storage temperature: -20 ~ 80 
Size: 46mm × 30mm × 17.6mm
Size Weight: 15g
Uses: mainly used for dust removal equipment alarm equipment, air purification equipment, dust robots, fire alarm, etc. industry equipment can detect smoke particles, pollen spores and other particles;

Description:
Want to make a hexapod walker? Maybe you're making a piece of art with tons of moving parts, or you need to drive a ton of LEDs with precise PWM output. Your microcontroller has a limited number of PWM outputs, and you find yourself running out! Not with the Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface. With this pwm and servo driver breakout, you can control 16 free-running PWM outputs with just two pins! Need to run more than 16 PWM outputs? No problem. Chain together up to 62 of these beauties for up to an outstanding 992 PWM outputs.
Features:
Dimensions (no headers or terminal block) 2.5" x 1" x 0.1" (62.5mm x 25.4mm x 3mm)
Weight (no headers or terminal block): 5.5grams
Weight (with 3x4 headers & terminal block): 9grams
This board/chip uses I2C 7-bit address between 0x60-0x80, selectable with jumpers
Terminal block for power input (or you can use the 0.1" breakouts on the side)
Reverse polarity protection on the terminal block input
Green power-good LED
3 pin connectors in groups of 4 so you can plug in 16 servos at once (Servo plugs are slightly wider than 0.1" so you can only stack 4 next to each other on 0.1" header
"Chain-able" design
A spot to place a big capacitor on the V line (in case you need it)
220 ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial
Solder jumpers for the 6 address select pins
i2c-controlled PWM driver with a built in clock. Unlike the TLC5940 family, you do not need to continuously send it signal tying up your microcontroller, its completely free running!
It is 5V compliant, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4 forward voltages)
6 address select pins so you can wire up to 62 of these on a single i2c bus, a total of 992 outputs - that's a lot of servos or LEDs
Adjustable frequency PWM up to about 1.6 KHz
12-bit resolution for each output - for servos, that means about 4us resolution at 60Hz update rate
Configurable push-pull or open-drain output
Output enable pin to quickly disable all the outputs

XH-A105 digital power amplifier board with high fidelity and two-channel stereo sound quality; input voltage is DC 12~24V, audio input supports Bluetooth, TF card, AUX 3.5mm audio line input, can be directly connected to mobile phone, MP3, etc.; power amplifier board It also comes with a volume adjustment function, which rotates the chirp potentiometer clockwise to zoom in and counterclockwise to decrease.
 
Product Name: Two-channel Bluetooth 5.0 power amplifier board
 
Product model: XH-A105
 
Input voltage: DC12-24V
 
Current: more than 3A
 
Output power: 100W*2
 
Audio input: Bluetooth, TF card, AUX
 
Number of channels: two channels
 
Size: 92*85*20MM
 
Installation aperture: 3MM
 
Installation hole distance: 85*5*78.5MM
 
 
Bluetooth operation instructions:
When the power amplifier board is connected to the power supply and the Bluetooth is not connected, the Bluetooth indicator will flash rapidly. When the Bluetooth connection is successful, the Bluetooth indicator will stop flashing. When the song is played, the Bluetooth indicator will flash slowly.
 
Note:
1. Connect the power input to the DC12-24V power supply. When the power is on, the power indicator will light red and the blue light will flash blue.
 
2. Connect the audio input to the audio source, such as MP3, mobile phone, computer, TF card, etc.
 
3. Connect the audio output to the speaker, paying attention to the positive and negative.
 
 
Bluetooth / TF card volume hole:
 
When the audio input uses Bluetooth or TF card, you can connect the power cord to the " VOL -" three holes to adjust the volume and switch songs.
1. " " and "VOL" connection:  increase the volume
2. "-" and "VOL" connection: reduce the volume
About choose Audio Input : The Board will Automatic Selection the last audio input .If you use the Bluetooth Audio input ,and then connect the AUX ,so the board will Automatic choose the AUX Audio input !

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.

Product Introduction:
1.Size: 4.1*1.6cm
2.Board Thickness:1.6mm
3.Operating Frequency:2.405-2.485GHz
4.Wireless Transmission Speed Rate:250Kbaud
5.Power Consumption:<20mA (receiving);<25mA (transmission)
Features:
1.Lead Out 8 IO Ports 
2.Debug Pin
3.Matching Firmware To Achieve Analyzer Function

Description:
 
100% brand new and high quality.
ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, and power management module. The entire solution takes up the least amount of printed circuit board area. This board is used with dual-mode Wi-Fi and Bluetooth chips, which is safe, reliable, and scalable to a variety of applications. 
 
 
Features: 
 
High performance-price ratio
Small volume, easily embeded to other products
DC 5V-12V 
1 analog input(3.2V max input)
A Micro USB connection
Compatible with for Arduino
D1 R32=WiFi Bluetooth UNO
 
Size: 6.8x5.3cm/2.68x2.09inch
 
 
 
 
 
 

Smart Electronics FZ0455 4pin KEYES KY-016 Three Colors 3 Color RGB LED Sensor Module for Arduino DIY Starter Kit KY016

Smart Electronics FZ0455 4pin KEYES KY-016 Three Colors 3 Color RGB LED Sensor Module for Arduino DIY Starter Kit KY016

Big key module Big button module Light touch switch module with hat High level output for arduino

 

ESP8266 10A 220V Network Relay WIFI Module
 
Specifications:
Model: ESP8266
Color: Green
Size(L*W*H):65 x 40 x 18 mm
ISM: 2.4 GHz
PA: 25 dBm
Relay voltage: 220 V
Relay Current: 10 A
Input voltage: DC 7 V~30 V
Input overvoltage protection: Yes
Input overcurrent protection: Yes
 
Features:
1.More safe with relays PCB pin anti-climb design.
2.With ESP8266 Wifi module,4-layers board design.
3.One output status indicator, one input status indicator.
4.220V 10A relay, one normally open, one normally closed.
5.One way optocoupler isolation input, TVS input protection.
6.Access control server via TCP CLIENT mode Via HTTP protocol control.High-current terminals.
7.Input overvoltage protection, input with TVS, when voltage exceeds 33V, automatic protection will operate.

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
 
 
Bluetooth MP3 Decoding Board Module w/ SD Card Slot / USB 2.0 Port / FM / Remote
 
 
 
- Color: Black white
- Display Mode: Single cycle and repeat all switch, it is repeat all as opening
- Menu Language: English
- Display Size: 1.5"
- Memory Card Type: SD
- Max Extended Capacity: 8GB
- Audio Formats: MP3 / WMA
- Tuner Bands: FM
- FM Frequency: 85~108MHz
- Other Connections: 1 x USB 2.0 / 1 x SD card slot
- Power Supply: 12V
- Voltage: 7~12V
- The interval between installation hold: 90mm
- Supports external signal switch directly
- Supports Bluetooth 3.0 EDR
- Supports USB / SD card / Bluetooth / FM / Line auto switch
- Built-in MP3 / WMA song decoding chip
- Supports play from USB / SD card / MMC card
- Supports USB / SD card switch PREV / next / fast forward / fast reverse / volume adjustment / play / pause / single cycle / mute / shut off / direct Selection song
- Supports Bluetooth PREV / next / fast forward / fast reverse / volume adjustment / play / pause / single cycle / mute / shut off
- Supports FAT 16 / FAT 32; Supports MP1 layer / MP2 Layer / MP3 Layer
- Supports 32~320Kbps MP3
- Supports power cut memory function: Remember the song and the volume before power cut
- Working voltage: 12V; Current: 800mA~1A
- Including panel decoder remote control 2-pin plug wire with reverse voltage protection 3-pin audio plug wire
- Packing List:
- 1 x MP3 decoding board
- 1 x Remote control (1 x CR2025 battery, included)
Dimensions: 4.21 in x 1.54 in x 1.02 in (10.7 cm x 3.9 cm x 2.6 cm)
Weight: 0.78 oz (22 g)
 
 
can not use the router power!Can not use the charger power supply!Can be between 7 v and 12 v power supply in the family use, must be full wave rectifier, greater than 2200 uf capacitor filter to decode board after use.If take power in the power amplifier board, please note that if it is a dual power supply, power amplifier board can not meet in any power on all the way to decoding of double power supply circuit board power supply.Also can damage decoding board!Please separate to decode board power supply vehicle modified power requirement: decoding board power suggested in CDS circuit board through regulated power supply (not in the CD machine behind the terminal), decoding board can be stable job, also can avoid the common interference.Please don't pick up on the cigarette lighter or battery, vulnerable to automobile throttle size change caused by voltage change, and damage the decoder board.

 

Description:
 
100% Brand new and high quality!
Supports Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
Supports 8 independent sockets simultaneously
Supports Power down mode
Supports Wake on LAN over UDP
Supports High Speed Serial Peripheral Interfac(SPI MODE 0, 3)
Internal 32Kbytes Memory for TX/RX Buffers
10BaseT/100BaseTX Ethernet PHY embedded
Supports Auto Negotiation (Full and half duplex, 10 and 100-based )
Not supports IP Fragmentation
3.3V operation with 5V I/O signal tolerance
LED outputs (Full/Half duplex, Link, Speed, Active)
48 Pin LQFP Lead-Free Package (7x7mm, 0.5mm pitch)
 
Specifications:  
Chip type: W5500  
Supports both 3.3V & 5V.  
Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE  
10BaseT/100BaseTX Ethernet PHY embedded  
Supports automatic response (full duplex / half duplex mode)  
Supports 8 independent sockets simultaneously  
Internal 32Kbytes Memory for Tx/Rx Buffers  
Power off mode: support  
Network wake: support  
SPI interface (SPI MODE 0, 3),convenient connection with MCU  
Size: 55mm x 28mm     

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
 
 
 
 
 
 
 
 
 
 
 

Description:
Supports Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
Supports 8 independent sockets simultaneously
Supports Power down mode
Supports Wake on LAN over UDP
Supports High Speed Serial Peripheral Interfac(SPI MODE 0, 3)
Internal 32Kbytes Memory for TX/RX Buffers
10BaseT/100BaseTX Ethernet PHY embedded
Supports Auto Negotiation (Full and half duplex, 10 and 100-based )
Not supports IP Fragmentation
3.3V operation with 5V I/O signal tolerance
LED outputs (Full/Half duplex, Link, Speed, Active)
48 Pin LQFP Lead-Free Package (7x7mm, 0.5mm pitch)
 
Specifications: 
Chip type: W5500 
Supports both 3.3V & 5V. 
Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE 
10BaseT/100BaseTX Ethernet PHY embedded 
Supports automatic response (full duplex / half duplex mode) 
Supports 8 independent sockets simultaneously 
Internal 32Kbytes Memory for Tx/Rx Buffers 
Power off mode: support 
Network wake: support 
SPI interface (SPI MODE 0, 3),convenient connection with MCU 
Size: 55mm x 28mm
 

Specification:
Brand new and high quality.
Color: Gray.
Long service life and high reliability.
Highly reliable, compact size designed to offer users maximum simplicity.
Fast switching.
Reduced electromagnetic interference.
Output voltage: AC 24-380V.
Output current: 40A.
Input voltage: DC 3-32V.
Control Method: DC to AC.
Mounting Method: Bolts fixed.
Size:6.5cm x 4.5cm x 2.2cm - 2.56inch x 1.77inch x 0.87inch.
1PCS 24V-380V 40A 250V SSR-40 DA Solid State Relay Module 3-32V DC To AC
 
 

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.

Never hunt around for another crystal again, with the Si5351A clock generator breakout ! This chip has a precision 25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from <8KHz up to 150 MHz.
The Si5351A clock generator is an I2C controller clock generator. It uses the onboard precision clock to drive multiple PLL's and clock dividers using I2C instructions. By setting up the PLL and dividers you can create precise and arbitrary frequencies. There are three independent outputs, and each one can have a different frequency. Outputs are 3Vpp, either through a breadboard-friendly header or, for RF work, an optional SMA connector.
We put this handy little chip onto it's own breakout board PCB, with a 3.3V LDO regulator so it can be powered from 3-5VDC. We also put level shifting circuitry on the I2C lines so you can use this chip safely with 3V or 5V logic.
Best of all, we even have a great tutorial and library to get you started! Our code is designed for use with the Arduino microcontroller and IDE but is easily ported to your favorite platform with I2C support
 

Features
• Accuracy:
- ±0.25 (typical) from -40°C to 125°C
- ±0.5°C (maximum) from -20°C to 100°C
- ±1°C (maximum) from -40°C to 125°C
• User-Selectable Measurement Resolution:
- 0.5°C, 0.25°C, 0.125°C, 0.0625°C
• User-Programmable Temperature Limits:
- Temperature Window Limit
- Critical Temperature Limit
• User-Programmable Temperature Alert Output
• Operating Voltage Range: 2.7V to 5.5V
• Operating Current: 200 µA (typical)
• Shutdown Current: 0.1 µA (typical)
• 2-wire Interface: I2C™/SMBus Compatible

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
 

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Description:
 
1: input: 4.5 V DC - 7 V (input voltage must be wining the to the output voltage high 1 V above.)
2: the output: 3.3 V, 800 mA (the load current can 't wining 800 mA)
3: PCB size: 8.6 * 12.3 mm
 
Attention:
1: the Boost modules or buck module indicate the operating voltage, both Please donot exceed operating voltage, or it will be on easily!
2: the Boost module output voltage can only be greater than or equal to the input voltage, always be less than the input voltage.
3: Buck module input voltage must be who the output voltage of 1.5 V or 2 V, otherwise it can not output the enough power!
4: Automatic Adjustable Boost or Buck the module from the start voltage and limit the working voltage, both Please donot exceed them, or it will be on easily!
5: always reverse polarity, or it will be short circuit, or will be born easily!

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Tracking info of  China Post Ordinary Small Packet Plus can be check here : www.17track.net/en 
2. On board then 5.08 (mm) pitch 2P terminal to facilitate RS-485 communication wiring.
3.All pins of chip have been lead to can be controlled through the microcontroller.
4. Working voltage: 5V.
5. Board size: 44 (mm) x14 (mm).
 
 
Package Content:
        10 X MAX485 TTL TO RS485 Module
 

ATTINY85 module Black:
1. Support for the Arduino IDE 1.0 (OSX/Windows/Linux).
2. Power via USB or External Source or 7-16 v to 5 v (automatic selection).
3. The On - board, 150 ma 5 v Regulator.
4. Built - in USB and serial was debugging).
5. 6 I/O Pins (2 are informs the for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8 k Flash Memory (about 6 k after bootloader).
7. The I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. The ADC on 4 pins.
10. The Power LED and the Test/Status leds.
The Specs:
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
 
 
ATTINY85 module Blue
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
10. Power LED and Test/Status LED
 

ATTINY85 module Black:
1. Support for the Arduino IDE 1.0 (OSX/Windows/Linux).
2. Power via USB or External Source or 7-16 v to 5 v (automatic selection).
3. The On - board, 150 ma 5 v Regulator.
4. Built - in USB and serial was debugging).
5. 6 I/O Pins (2 are informs the for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8 k Flash Memory (about 6 k after bootloader).
7. The I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. The ADC on 4 pins.
10. The Power LED and the Test/Status leds.
The Specs:
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
 
 
ATTINY85 module Blue
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
10. Power LED and Test/Status LED