ch551 topic
Lot60-BLE-Keyboard
A 60% bluetooth keyboard (Hardware)
DAP-Cat-Programmer
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 $3 dollars
ch552tool
An open sourced python tool for flashing WCH CH55x series USB microcontroller with bootloader v2.30, v2.31 & v2.40.
CH552-USB-NRF
USB controlled nRF24L01+ 2.4GHz Transceiver
CH552-MacroPad-plus
Programmable MacroPad with Rotary Encoder and NeoPixels
Development-Boards
Collection of various development boards for microcontrollers (e.g., CH55x, CH32, PY32, STC8, STM32) and accompanying example software.
MCU-Templates
Templates for bare-metal firmware development for some entry-level microcontrollers
ch55x_asm_doc
CH55X assembly instruction description