WCH has recently launched a new ultra-low-cost RISCV microcontroller, CH32V003.

CH32V003 Evaluation Kit



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Stock Update

As of 15.02.2024, We have re-stocked this product in a batch size of 10 Pieces. Orders are processed in 24hours

What is it?

It runs at 48Mhz and has 16KB Flash and 2KB RAM and other general-purpose interfaces (GPIO, I2C, SPI, UART) available on most microcontrollers.

The MCU has immense potential in various cost-sensitive applications, especially those with high-volume demands. It can be an ideal solution for tasks requiring low computational power or IO expansion. With its versatility, the MCU opens up opportunities for efficient resource utilization and task isolation from the main MCU.

For example, if you are short on IO but LCDs and keys have to be interfaced, this MCU can easily take up that task, and data can be transferred from the main MCU via UART or I2C.

Here are some reasons why engineers should pay attention to the CH32V003:

  • The RISC-V architecture is gaining popularity and is one of the most affordable RISC-V microcontrollers available.
  • The MCU has a wide range of peripherals, making it suitable for various cost-sensitive applications.
  • The MCU is easy to use and program, and fairly good support is available from the manufacturer.
  • There is a growing community of developers using the RISCV-based MCUs, and several resources are available online to help engineers get started.


  • 32-bit RISCV 2A Core
  • Up to 48MHz system frequency
  • 2KB SRAM, 16KB Flash-
  • 1x DMA controller
  • 1x OpAmp comparators
  • 10-bit ADC
  • 1x 16-bit advanced timer and 1x 16-bit general-purpose timer
  • 2x watchdog timers and 1x 32-bit system time base timer
  • 1x USART
  • 1x I2C
  • 1x SPI interface
  • Upto 18 I/O ports, interrupt is available on all pins
  • 64-bit chip unique ID
  • Serial 1-Wire Debug Interface
  • Multiple low power modes: sleep, standby
  • Supply voltage: 3.3/5V
  • Power-on/power-off reset, programmable voltage detector
  • Package form: TSSOP20, QFN20, SOP16, SOP8

What makes it special?

Kit contains three things: 1x CH32V003 (TSSOP20) Evaluation board, WCH LInkE Debugger/Programmer and 5x MCU samples(TSSOP20). enter image description here

Links to code and documentation

Documentation (capuf.in)

Product HS Code: 84733030

Shipping policy

1. The orders are now processed within 24 hours. We may pre-pone or post-pone the delivery for any gazetted holiday of the postal department.

2. Shipping methods are facing 93% accurate transit time (As of 7th May 2024), Please note that shipping charges don't include insurance of the consignment.

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The seller


THANE, Maharashtra, India
0 orders since May 11, 2024
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