Corncon Grain
About the Corncon Grain PCB
Corncon Grain is an open source RISC-V PCB design by wrickert, published on GitHub. It is a 2-layer board measuring 124.8 × 81 mm, with 17 components from 8 distinct parts.
Its main chip is the CH585M, from the RISC-V family. By type, the board carries 6 diodes, 5 resistors, 2 connectors, 1 IC, 1 battery holder and 1 switch.
Main components on the Corncon Grain
Corncon Grain bill of materials (BOM)
17 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CH585M CH32V003FxPx | TSSOP-20_4.4x6.5mm_P0.65mm | U1 |
| 1 | CONN_01X02 Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J1 |
| 1 | CONN_01X02 Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | 3XAAA Battery_Cell | BatteryHolder_Keystone_3008_1x2450 | BT1 |
| 1 | C2905041 SW_SPDT | SW_SPDT_PCM12 | SW1 |
| 6 | APFA3010 | FM-3510RGBA | D5, D6, D7, D8, D9, D10 |
| 1 | 100P C_Small | C_0805_2012Metric | C1 |
| 5 | R_Pack04 | R_Array_Convex_4x0603 | RN1, RN2, RN3, RN4, RN5 |
Corncon Grain design files
The KiCad project lives in the wrickert/UntitledElectronics repository on GitHub; these links point at the commit this page was built from.
Corncon Grain: common questions
What microcontroller does the Corncon Grain use?
The Corncon Grain is built around the CH585M, from the RISC-V family.
How big is the Corncon Grain PCB?
The Corncon Grain measures 124.8 × 81 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Corncon Grain?
17 components, from 8 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 Corncon Grain design files?
From the wrickert/UntitledElectronics 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 Corncon Grain design in my own project?
The repository has no license, so all rights stay with wrickert. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Corncon Grain 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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