RF tool based on CC1101 module and Arduino Pro Micro 8VMHz/3.3V. Allows using CLI with human readable commands to control CC1101 board over USB interface. Putty or any other serial terminal can be used. It has similar functionality to YardStick One but is cheaper and doesn't need specialized software. Allows for RF jamming and simple replay attack

ATMega32U4 Arduino board, available from SparkFun Electronics

Arduino-compatible wireless reflow oven controller ecosystem of open-source hardware

Example of using CC1101 module with Arduino Pro Micro ( ATMEGA32U4 ) for radio jamming

DIY USB Rubber Ducky based on Arduino Micro

Arduino Leonardo (ATmega32U4) PWM fan PID control

A tool for network scanning and ARP spoofing using the Atmega32u4 and W5500

Programmable macro keypad and rotary input, with GPIO breakouts. Uses an ATmega32u4 Pro Micro for HID functionality.

This is BadUSB / Rubberducky device example based on ARDUINO MICRO SS BETTLE. Allows for doing nasty things over USB

One BadUSB to rule them all using ATmega32U4

This is simple half duplex radio communication device built with CC1101 module and Arduino Pro Micro (3.3V / 8MHz) using SmartRC library

Texas Instruments BQ25896 driver for ATMEGA MCUs

Arduino: 復数のUARTデバイスを扱える SoftwareSerial の代替ライブラリ

Kiwi Technology TLM922S-P01A LoRaWAN Module シリーズのための実装（for Arduino IDE）

Decodes FlySky IBus data directly to an Arduino Leonardo (Pro Micro) USB Game Controller

Wii accessories as native game controller

OLED : SOLOMON SYSTECH SSD1306 (I2C) small driver for Arduino

Mediatek MTK3333 / MTK3339 GPS Module lightweight class liblary for Arduino

Connecting Sim800L with Arduino Pro Micro or Mini (Atmega32u4/Atmega328p) and Nokia 5110 (PCD8544) display

Use the Arduino Micro or a compatible Pro Micro (ATmega32u4) as a HID Joystick with custom axis curves, filters and calibration. Depends on the ArduinoJoystickLibrary (https://github.com/MHeironimus/ArduinoJoystickLibrary.git) as library.