CH32V203-DevBoard

21km43·CH32V203-DevBoard

CH32V203-DevBoard PCB layout, top view — open source STM32 board by 21km43

About the CH32V203-DevBoard PCB

CH32V203-DevBoard is an open source STM32 PCB design by 21km43, published on GitHub under the MIT license. It is a 2-layer board measuring 20.3 × 50.8 mm, with 35 components from 17 distinct parts.

Its main chip is the CH32V203C8T6, from the STM32 family. Other key parts include the XC6206P332MR. By type, the board carries 12 capacitors, 10 resistors, 3 switches, 2 ICs, 2 connectors and 2 diodes.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

CH32V203 Development board

CH32V203-DevBoard, from the project README
From the project README

Main components on the CH32V203-DevBoard

CH32V203-DevBoard bill of materials (BOM)

35 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CH32V203C8T6
U1
1
XC6206P332MR
U2
2
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J1, J2
3
SW_Push
SW1, SW2, SW3
1
32.768KHZ
32.768KHz
XTAL1
1
8MHZ
8MHz
XTAL2
1
LED
LED1
1
1N5819WS
D1
1
C37704
BAT54C,215
D2
1
C1002
FerriteBead
FB1
2
15PF
15pF
C1, C2
2
22PF
22pF
C3, C4
6
100NF
100nF
C5, C6, C7, C8, C9, C10
2
1UF
1uF
C11, C12
3
10kΩ
R1, R2, R8
5
5.1kΩ
R3, R4, R5, R10, R11
2
56kΩ
R6, R7

CH32V203-DevBoard design files

The KiCad project lives in the 21km43/CH32V203-DevBoard repository on GitHub; these links point at the commit this page was built from.

CH32V203-DevBoard: common questions

What microcontroller does the CH32V203-DevBoard use?

The CH32V203-DevBoard is built around the CH32V203C8T6, from the STM32 family.

How big is the CH32V203-DevBoard PCB?

The CH32V203-DevBoard measures 20.3 × 50.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the CH32V203-DevBoard?

35 components, from 17 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the CH32V203-DevBoard design files?

From the 21km43/CH32V203-DevBoard repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the CH32V203-DevBoard design in my own project?

Yes, under the terms of its MIT license, which 21km43 chose for the repository.

Can I test firmware for the CH32V203-DevBoard without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

Similar boards