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

An open sourced python tool for flashing WCH CH55x series USB microcontroller with bootloader v2.30, v2.31 & v2.40.

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

Simple ISP Flash Tools for various Microcontrollers

CH55X assembly instruction description

USB keyboard/mouse for PS/2 (or AT, Serial) computers. This is the miniature hardware version compatible with the https://github.com/rasteri/HIDman firmware.

An open sourced python tool for flashing WCH CH551/CH552/CH554/CH558/CH559 USB microcontroller with bootloader v2.30 or v2.31 (and maybe v2.40)

Schematic and PCB files for ElectronicCats HubUSB FeatherWing with CH559

NRFLite port for CH55x microcontrollers using CH55xduino.

An affordable USB-CDC dev board.