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EF08191 Power:bit watch kit for microbit (without Micro:bit Board)
US$15.26
Power:bit button cell board is a micro expansion board in the smallest size equipped with a buzzer. It can not only supply power to the board but is also equipped with P1, P2,GND and 3V ports by the row needles, which can be used with our acrylic watch straps and boards.
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EF04089 Sonar:bit for micro:bit Ultrasonic Sensor Distance Measuring 3V/5V
US$13.86
Sonar:bit is an ultrasonic module with 3-5V working voltage. It is available to be used to 3.3V or 5V micro-controller system. With only one 3-wire(GVS) cable, it can work properly. Compared to the normal 4-wire ultrasonic module, it has saved one IO port. The measurement range of sonar:bit is 4cm-400cm. It can output stable and accurate measurement data with ±1cm tolerance only. You can use this module to occasions like short-distance measurement, smart cars, robots, micro:bit and arduino teaching, etc..
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EF03418 8x16 matrix module
US$12.46
8 x 16 matrix module is a kind of 8 x 16 matrix screen that can display numbers, commonly used letters and symbols with scrolling-displaying function. It adopts IIC bus protocol and makes it easy to connect and operate.
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WAVE-15019 WM8960 Stereo CODEC Audio Module, Play/Record
US$13.99
This low power audio module is based on WM8960, supports stereo encoding/decoding, supports sound recording, what's more, it can directly drive speakers to play music.
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1200x825, 9.7inch E-Ink display HAT for Raspberry Pi
US$237.93
This is an E-Ink display HAT for Raspberry Pi, 9.7inch, 1200x825 resolution, with embedded controller IT8951, communicating via USB/SPI/I80/I2C interface. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.
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WAVE-15364 Motor Driver HAT for Raspberry Pi, I2C Interface
US$18.19
The Motor Driver HAT is designed for Raspberry Pi, controlled via I2C interface, will drive two DC motors at the same time. It's an ideal choice for you to DIY mobile robots.
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WAVE-15072 Servo Driver for micro:bit, 16-Channel, 12-bit, I2C
US$21.61
Did you encounter the PWM output limit of micro:bit when trying to make a robotic arm or whatever robot which requires lots of servo? We quite understand that situation, even we got an excellent solution. This handy servo driver breakout would be your ideal choice.
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WAVE-15220 Driver Breakout for micro:bit, drives motors and servos
US$27.25
This driver board gives your micro:bit the ability to drive two channel DC motors and three channel servos. It's an ideal choice for you to DIY mobile robots.
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WAVE-15423 Raspberry Pi 8-ch Relay Expansion Board
US$30.79
The RPi Relay Board (B) is an expansion board with 8-ch relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances.
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BB-TXB0104 4 Channel Bi-directional Logic Level Converter TXB0104
US$6.15
It is a 4-channel or 4-bit logic level converter that is great for interfacing sensors or 3.3v logic components with 5v logic level microcontrollers. This unit will do the level shifting required to allow theses device to communicate without burning out each other.
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SENS-MAX9814 Electric Microphone Amplifier - MAX9814
US$7.27
This small module is capable of amplifying audio noises thanks to its buit-in microphone and outputs it as an analog signal to be read by a microcontroller such as an Arduino Uno.
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WEMOS-LORA-915 TTGO 915MHz ESP32 Wireless Bluetooth NEO-M8N GPS Module with LORA and 18650 Battery Holder
US$63.65
Welcome to the ultimate remote communication development board! This board has everything you can think of for your IoT project; from ESP32 Microcontroller, LoRa long distance communication, global positioning system to USB functionality and even a holder for a rechargable 18650 battery!
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ARD-MFB Arduino Uno Multi-Purpose-Board Shield
US$5.48
If you are new to the Arduino platform, this Shield has it all! It can help you understand the basic concepts of different sensors, LEDs, Buzzers, Serial and I2C communications, switches and more! All you have to do is plug it on top of the Arduino UNO and upload the corresponding code to have fun!
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WIFI-ESP32-KIT ESP-32 WIFI Bluetooth Breadboard kit
US$14.94
The ESP32 features Wi-Fi Bluetooth WROOM - 32 microcomputer module, 30 IO expansions, Boot and RESET buttons, two resistors; one 1k and the second 2.2k ohm, 0.1uF capacitor and 3 pins for Serial communication.
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BB-PAM8406 PAM8406 Digital Amplifier Module with Volume Control Potentiometer 5Wx2 - Stereo 
US$4.50
The PAM8406 is a 5W audio amplifier with an alternative option between Class-D and Class-AB output which makes PAM8406 very ideally for the applications efficiency-EMI compatible.
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84 - 98