CH9329 is a chip that can simulate keyboard and mouse input simultaneously, and can support secondary game development. Compatible with Android, Apple systems, and Linux; Completely driver free. Overview of CH9329 module This module can short-circuit the terminals on the module by jumping the cap, so that you can choose the chip to work in the mode you need. By default, it works in Mode 0 and Serial Port Mode 0 (without jumping caps or short circuiting any pins). It is easy to use and can directly send specific commands to the module through the serial port to simulate keyboard and mouse input!! New version module improvements: 1. Added TVS protection circuit and improved circuit parameters, making the module more stable and durable! 2. Module compatible shell (without soldering pins, mode can be changed through software configuration), making it more exquisite to use!!