Some ultra low cost, unique layouts mechanical macropad using CH552G
Rotary Encoder with NeoPixels and USB Interface
An open sourced python tool for flashing WCH CH55x series USB microcontroller with bootloader v2.30, v2.31 & v2.40.
Simple ISP Flash Tools for various Microcontrollers
Programmable MacroPad with Rotary Encoder and NeoPixels
A full 32 key mechanical keyboard that can be made for only $5
USB controlled nRF24L01+ 2.4GHz Transceiver
CMSIS-DAP compliant SWD Programmer
🦾 Firmware for a cheap CH552G macro keyboard off AliExpress/Amazon to "touch" a comma three from a comfortable position