CH570 is the world’s cheapest RISC-V 2.4GHz wireless & USB2 SoC, costing just about a dime (10 cents)!

ESC(Electronic Speed Controller) source code based on RISC-V CH32

Core library for CH32duino

OpenOCD for WCH CH32

Toolchain for CH32duino

The board manager files for CH32 development boards

CH643 is an RGB display driver microcontroller based on RISC-V. Built-in 3*16-channel PWM current drive, support COM scanning. Supports 192 groups of RGB or 576 single-color LEDs without extra PMOS

32-bit RISC-V MCU CH32X035 built-in USB PD PHY

Envision a future where every student can read all the code of a teaching operating system.

Open source minimal stack for the ch32 line of WCH processors, including the ch32v003, a 10¢ 48 MHz RISC-V Microcontroller - as well as many other chips within the ch32v/x line.

The SDK and HDK for RISC-V Bluetooth LE BLE5.4 CH591/CH592

CH32V203 is an industrial-grade enhanced low-power,small-medium capacity general-purpose MCU based on 32-bit RISC-V core

Share the schematic and layout (KiCad) for DIY USB2.0 4-PORTS HUB with CH334U

The whole NFC solution (source code and schematic&layout) based on WCH chips

CH32V003 is an ultra-cheap RISC-V MCU with 2KB SRAM, 16KB flash, and up to 18 GPIOs that sells for under $0.10

Working Draft of the RISC-V Debug Specification Standard

Single-chip solution for Hi-speed USB2.0(480Mbps) JTAG/SPI Debugger based on RISC-V MCU CH32V30x/CH32V20x

MicroPython for WCH CH32V307

CH55x MCU application reference routine source code.

Unofficial documentation for the WCH CH32V103 RISC-V microcontroller

Kicad Library for ICs from WCH

Schematic and PCB footprint library for all WCH chips

Bluetooth to UART bridge chip

SDK sch&layout reference design and datasheet documention

CH340, CH343, CH342, CH344,CH348

Including the SDK、HDK、Datasheet of RISC-V MCU CH32V307 and other relevant development materials

The datasheet/SDK/HDK docmentation of Bluetooth LE RISC-V MCU CH582M/CH583M