Description
CH32V003A4M6 WCH RISC-V Development Board – ETE9947
The CH32V003A4M6 WCH Development Board is a compact microcontroller development platform designed for embedded systems, electronics prototyping, and low-cost control applications. Based on the CH32V003 series from WCH, it uses a 32-bit RISC-V processor and is suitable for learning RISC-V development and building small electronic projects.
The board can be used to experiment with digital input/output, timers, serial communication, and other supported microcontroller peripherals. It is suitable for students, hobbyists, and developers working on compact embedded applications.
The ETE9947 designation identifies the board or product variant. Pin availability, programming connections, and onboard components depend on the exact board layout.
Key Features
- Based on the WCH CH32V003A4M6 microcontroller.
- 32-bit RISC-V processor architecture.
- Compact design for embedded development and prototyping.
- Supports GPIO and peripheral control.
- Suitable for small automation and electronics projects.
- Useful for learning RISC-V microcontroller programming.
- Board-level features and pinout depend on the ETE9947 version.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Microcontroller Development Board |
| Manufacturer | WCH |
| Microcontroller | CH32V003A4M6 |
| Processor Architecture | 32-bit RISC-V |
| Core | QingKe RISC-V core |
| Maximum Clock Speed | Up to 48 MHz |
| Flash Memory | 16 KB |
| SRAM | 2 KB |
| Operating Voltage | Typically 3.3V |
| GPIO and Peripherals | Depends on chip package and board routing |
| Board Identifier | ETE9947 |
| Applications | Embedded systems, control circuits, and prototyping |
Applications
- RISC-V programming and education
- Embedded control systems
- Sensor interfacing
- LED and indicator control
- Small automation projects
- Electronics prototyping
- Low-cost microcontroller applications
Important Notes
- Confirm the board pinout and onboard features before connecting external components.
- A compatible WCH-Link programmer/debugger or supported programming interface may be required, depending on the board.
- Check the board’s supply voltage and programming connections before powering it.
- The exact ETE9947 board layout and included accessories may vary by supplier.








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