Treedix Game Joystick Expansion Board Simulates Keyboard and Mouse Functions Replacement Compatible with Arduino Joystick Shield

Add the RF interface of nRF24L01 and the LCD interface, which is very convenient for game development. Add a Bluetooth module interface to facilitate Bluetooth wireless serial communication. Add I2C communication interface to facilitate the connection of I2C devices. With 1 PS2 cross rocker with button, 4 round buttons and 2 small buttons. The on-board switch can switch between 3.3V and 5V, and this module can be used for other 3.3V microcontroller platforms, such as STM32.