A ble keyboard firmware using nrf52810/52832

• UpdatedNov 10, 2024
• C

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

• UpdatedJan 5, 2025
• C

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

• UpdatedJan 1, 2024
• Python

Rotary Encoder with NeoPixels and USB Interface

• UpdatedApr 30, 2023
• C

USB Composite Device Demo (Keyboard, Custom HID and Massive Storage) using CH55x

• UpdatedJul 30, 2020
• C++

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

• UpdatedJan 5, 2025
• C

Programmable MacroPad with Rotary Encoder and NeoPixels

• UpdatedApr 30, 2023
• C

USB controlled I²C OLED

• UpdatedFeb 10, 2024
• C

An ISP flashing tool for the WCH CH55x, CH579, CH32F103 under linux

• UpdatedNov 20, 2024
• C

USB controlled nRF24L01+ 2.4GHz Transceiver

• UpdatedMar 9, 2024
• C

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

• UpdatedMay 26, 2023
• C

CH55X assembly instruction description

• UpdatedMay 1, 2019

A CH551 based POV magic bar ;)

• UpdatedDec 16, 2018
• C

Using SDCC with various chips from WCH (Nanjing Qinheng Microelectronics)

• UpdatedMay 5, 2024
• C

CH55x Pinout

• UpdatedMar 23, 2023

• UpdatedJun 23, 2022
• C

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)

• UpdatedJul 23, 2020
• Python

CH554E development board

• UpdatedOct 4, 2024

Mouse Jiggler for CH55x (CH552/CH554/...)

• UpdatedDec 17, 2021
• C

Additional drivers ported to the CH552 (using Wagiminator library)

• UpdatedNov 10, 2024
• C