Zayalan-RP2040
sasukeop108·Zayalan-RP2040·PCB/Splitkeeb.kicad_pcb
About the Zayalan-RP2040 PCB
Zayalan-RP2040 is an open source RP2040/RP2350 PCB design by sasukeop108, published on GitHub. It is a 2-layer board measuring 21 × 51 mm, with 35 components from 19 distinct parts.
Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q128JVS and MCP1700x-120xxMB. By type, the board carries 17 capacitors, 8 resistors, 4 connectors, 3 ICs, 1 crystal and 1 switch.

Main components on the Zayalan-RP2040
Zayalan-RP2040 bill of materials (BOM)
35 components, 19 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RP2040 | QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U1 |
| 1 | W25Q128JVS | Winbond_USON-8-1EP_3x2mm_P0.5mm_EP0.2x1.6mm | U2 |
| 1 | MCP1700x-120xxMB | SOT-89-3 | U3 |
| 1 | 12MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | USB_C_Receptacle_USB2.0_14P | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | ~ | PinHeader_1x20_P2.54mm_Vertical | J2 |
| 1 | Conn_01x20_Pin | PinHeader_1x20_P2.54mm_Vertical | J3 |
| 1 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | SW_Push | SW_Push_SPST_NO_Alps_SKRK | SW1 |
| 1 | LED | LED_01005_0402Metric | D1 |
| 1 | 0.1 uF | C_0402_1005Metric | C1 |
| 10 | 0.1uF | C_0402_1005Metric | C2, C3, C4, C5, C6, C7, C8, C11 +2 |
| 2 | 1uF | C_0402_1005Metric | C9, C10 |
| 2 | 15pF | C_0402_1005Metric | C13, C16 |
| 2 | 10uF | C_0603_1608Metric | C14, C15 |
| 2 | 5.1k | R_0402_1005Metric | R1, R2 |
| 2 | 27 | R_0402_1005Metric | R3, R4 |
| 3 | 1K | R_0402_1005Metric | R5, R7, R12 |
| 1 | 10K | R_0402_1005Metric | R6 |
Zayalan-RP2040 design files
The KiCad project lives in the sasukeop108/Zayalan-RP2040 repository on GitHub; these links point at the commit this page was built from.
- LayoutPCB/Splitkeeb.kicad_pcb
- SchematicPCB/Splitkeeb.kicad_sch
- BOMREADME.md
Zayalan-RP2040: common questions
What microcontroller does the Zayalan-RP2040 use?
The Zayalan-RP2040 is built around the RP2040, from the RP2040/RP2350 family.
How big is the Zayalan-RP2040 PCB?
The Zayalan-RP2040 measures 21 × 51 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Zayalan-RP2040?
35 components, from 19 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 Zayalan-RP2040 design files?
From the sasukeop108/Zayalan-RP2040 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 Zayalan-RP2040 design in my own project?
The repository has no license, so all rights stay with sasukeop108. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Zayalan-RP2040 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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