Some ultra low cost, unique layouts mechanical macropad using CH552G

F.A. Keyboard Firmware

Collection of various development boards for microcontrollers (e.g., CH55x, CH32, PY32, STC8, STM32) and accompanying example software.

Rotary Encoder with NeoPixels and USB Interface

A BLE & 2.4G Keyboard Firmware using nrf52810/52811/52832

An Open-Source CMSIS-DAP Debug Probe based on DAPLink and USB bus convert and it can realize USB convert to serial interface based in CH552, low-cost of $5 dollars

Programmable MacroPad with Rotary Encoder and NeoPixels

Templates for bare-metal firmware development for some entry-level microcontrollers

USB controlled I²C OLED

Simple Board that can be used as a Mouse Jiggler, a Rubber Ducky, or a Caps Blocker

USB controlled nRF24L01+ 2.4GHz Transceiver

小巧的使用CH552实现的DAPLink

CMSIS-DAP compliant debugging probe with SWD, JTAG, and VCP support

Programmable Macropad with NeoPixels

CMSIS-DAP compliant SWD Programmer

🦾 Firmware for a cheap CH552G macro keyboard off AliExpress/Amazon to "touch" a comma three from a comfortable position

USB-Blaster firmware that runs on cheap with CH552G chip

A library to automate Nintendo Switch games using CH55x microcontrollers.

Basic projects with CH552G

4NES4SNES from Raphnet ported to WCH CH551/CH552/CH554 (plus PSX controller support)