74TH-G068-1Key CH32V003
74th·74th-oshw-projects·74TH-G068-1Key_CH32V003/74TH-G068-1Key_CH32V003.kicad_pcb
About the 74TH-G068-1Key CH32V003 PCB
74TH-G068-1Key CH32V003 is an open source RISC-V PCB design by 74th, published on GitHub under the MIT license. It is a 2-layer board measuring 19 × 37.1 mm, with 17 components from 14 distinct parts.
Its main chip is the CH32V003F4P6, from the RISC-V family. Other key parts include the AMS1117 and CH213K. By type, the board carries 6 resistors, 3 ICs, 3 capacitors, 1 module, 1 connector and 1 switch.
From the project
74th のPCBデータを公開しているプロジェクト

Main components on the 74TH-G068-1Key CH32V003
74TH-G068-1Key CH32V003 bill of materials (BOM)
17 components, 14 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CH32V003F4P6 | Package_TSSOP-20_4.4x6.5mm_P0.65mm | U1 |
| 1 | AMS1117 | Package_SOT-89-3 | U2 |
| 1 | CH213K | Package_SOT-23 | U3 |
| 1 | Hole_M2_2.2-TH | Hole_M2_2.2-TH | M2 |
| 1 | USB2.0-C_SMT | Connector_USB-C-Receptacle_SMT_12-Pin_Simple | J1 |
| 1 | SWD | PinOut_Pin_3_3GND | CH1 |
| 1 | SW_Push | Switch_MXChoc_1.0u | SW1 |
| 1 | SK6812MINI-E_RGBLED | LED_SK6812MINI-E_BACK-RIGHT | D1 |
| 2 | 10u | Capacitor_0603_1608_WithSizeText | C1, C2 |
| 1 | 0.1u | Capacitor_0603_1608_WithSizeText | C3 |
| 2 | 10 | Register_0603_1608_WithSizeText | R1, R3 |
| 1 | 1.5k | Register_0603_1608_WithSizeText | R2 |
| 2 | 5.1k | Register_0603_1608_WithSizeText | R4, R5 |
| 1 | 27 | Register_0603_1608_WithSizeText | R6 |
74TH-G068-1Key CH32V003 design files
The KiCad project lives in the 74th/74th-oshw-projects repository on GitHub; these links point at the commit this page was built from.
74TH-G068-1Key CH32V003: common questions
What microcontroller does the 74TH-G068-1Key CH32V003 use?
The 74TH-G068-1Key CH32V003 is built around the CH32V003F4P6, from the RISC-V family.
How big is the 74TH-G068-1Key CH32V003 PCB?
The 74TH-G068-1Key CH32V003 measures 19 × 37.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 74TH-G068-1Key CH32V003?
17 components, from 14 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 74TH-G068-1Key CH32V003 design files?
From the 74th/74th-oshw-projects 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 74TH-G068-1Key CH32V003 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 74TH-G068-1Key CH32V003 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RISC-V firmware against it before you order a PCB.
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