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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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ESP32-A1S ESP32-A1S Wi-Fi+BT SoC IoT Development Board
US$11.94
ESP32-A1S is an ultra-small, powerful module. Built-in advanced low-power dual-core 32-bit CPU and Codec AC101 audio decoding chip, can be widely used in various IoT applications, suitable for home smart devices, smart Audio, story machine solutions, etc..
Delivery within 2-3 weeks
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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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SENS-9IN1 Arduino Uno 9 In 1 Sensor Shield
US$12.99
If you are new to the Arduino platform, this Arduino Shield has it all! It can help you understand the basic concepts of sensors, LEDs, Buzzers, Serial and I2C communications.
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LED-STRIP-DIM 20W PWM Motor/LED Dimmer - 12-24VDC 0.8A
US$3.99
You can conveniently adjust the brightness of your LED Strip of DC motor with this dimmer·
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MOD-MT8870 MT8870 Voice Decoding Module
US$4.94
The DTMF module decodes Dual Tone Multi Frequency signals and converts them into a binary-like output. The DTMF module is powered by 5VDC
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MOD-135 5-30VDC Trigger Cycle Delay Switch Module with Real Time Clock (RTC)
US$15.39
This versatile timer can be programmed from 0.1 seconds to 999 minutes.
A four digit seven segment displays time in 0.1 seconds, seconds, or minutes.
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212x104, 2.13inch flexible E-Ink display HAT for Raspberry Pi
US$27.99
This is a flexible E-Ink display HAT for Raspberry Pi, 2.13inch, 212x104 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. Compared with normal e-Paper panels, this flexible panel allows bending without being damaged, and it's thinner and lighter. Combined with the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications where curved surface display is required, such as industrial instruments, smart wearable-devices, and so on.
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