Ch32x035-promicro usb device
About the Ch32x035-promicro usb device PCB
Ch32x035-promicro usb device is an open source WCH CH32/CH55x PCB design by 74th, published on GitHub under the MIT license. It is a 2-layer board measuring 17.8 × 31.8 mm, with 24 components from 20 distinct parts.
Its main chip is the CH32X035G8U6, from the WCH CH32/CH55x family. Other key parts include the AMS1117-3.3 and CH217K. By type, the board carries 8 resistors, 4 capacitors, 3 ICs, 2 connectors, 1 jumper and 1 switch.
It belongs with the dev boards & breakouts designs in this gallery.
Main components on the Ch32x035-promicro usb device
Ch32x035-promicro usb device bill of materials (BOM)
24 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-89-3 | U1 |
| 1 | CH32X035G8U6 | Package_QFN-28-1EP_4x4mm_P0.4mm_EP2.8x2.8mm | U2 |
| 1 | CH217K | SOT-23-6 | U3 |
| 1 | 217179-0001 | Connector_USB-C-Receptacle_SMT_12-Pin_Simple | J1 |
| 1 | SWD_10Pin_MCU-Side | Connector_HalfPinHeader_SWD | J2 |
| 1 | ProMicro-Left_NoGND | PinOut_ProMicro-LIKE_LEFT_NO-GND | CH1 |
| 1 | ProMicro-Right | PinOut_ProMicro-LIKE_RIGHT | CH2 |
| 1 | 3Pin | PinOut_3Pin | CH3 |
| 1 | 2Pin | PinOut_2Pin | CH4 |
| 1 | Jumper_2_Open | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | SKRPABE010 | PushButton_SKRPABE010 | SW1 |
| 1 | BLUE | LED_0805_2012 | D1 |
| 2 | 10u | Capacitor_0603_1608 | C1, C2 |
| 1 | 1u | Capacitor_0603_1608 | C3 |
| 1 | 100n | Capacitor_0603_1608 | C4 |
| 2 | 5.1k | Register_0603_1608 | R1, R2 |
| 1 | 100k | Register_0603_1608 | R3 |
| 1 | 1.5k | Register_0603_1608 | R4 |
| 2 | 10k | Register_0603_1608 | R5, R8 |
| 2 | 27 | Register_0603_1608 | R6, R7 |
Ch32x035-promicro usb device design files
The KiCad project lives in the 74th/ch32v-dev-boards repository on GitHub; these links point at the commit this page was built from.
Ch32x035-promicro usb device: common questions
What microcontroller does the Ch32x035-promicro usb device use?
The Ch32x035-promicro usb device is built around the CH32X035G8U6, from the WCH CH32/CH55x family.
How big is the Ch32x035-promicro usb device PCB?
The Ch32x035-promicro usb device measures 17.8 × 31.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Ch32x035-promicro usb device?
24 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the Ch32x035-promicro usb device design files?
From the 74th/ch32v-dev-boards repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Ch32x035-promicro usb device design in my own project?
Yes, under the terms of its MIT license, which 74th chose for the repository.
Can I test firmware for the Ch32x035-promicro usb device without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug WCH CH32/CH55x firmware against it before you order a PCB.
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