2 layers252.6 × 98.3 mm
2 layers252.6 × 80.8 mm
Switch plate
derui/Clairink- Size
- 252.6 × 80.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 83
- Nets
- 46
- Pads
- 101
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 8 Mar 2026
- Updated
- 7 Jun 2026
Overview
Switch plate is an open-source printed circuit board by derui, from the derui/Clairink repository on GitHub, published under the MIT licence. It is a 2-layer board of 252.6 × 80.8 mm with 83 parts on 46 nets.
It is built around the DMG3414U. Its parts include 43 switches, 29 diodes, 6 resistors, 2 capacitors and 1 IC. It belongs with the nRF52 and nRF5x boards of this library.
Main components
1Parts
83| Qty | Value | Footprint | References |
|---|---|---|---|
| 42 | SW_Push | kbd_SW_Hole:SW_Hole_1u_16.5 | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +26 |
| 29 | D | kbd_Parts:Diode_SMD | D1, D2, D3, D11, D12, D13, D17, D19, D20, D21, D25, D27, D28, D29, D33, D35 +13 |
| 2 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4 |
| 2 | 2.2K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4 |
| 2 | 470k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R9 |
| 1 | 1M | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10 |
| 1 | 22k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7 |
| 1 | Conn_01x03 | Connector_JST:JST_ZH_B3B-ZR_1x03_P1.50mm_Vertical | J3 |
| 1 | DMG3414U | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | RotaryEncoder_Switch | kbd_Parts:RotaryEncoder_EC12E | SW46 |
| 1 | XIAO-nRF52840-SMD | xiao:XIAO-nRF52840-SMD | U1 |
Questions
How big is the Switch plate PCB?
It measures 252.6 × 80.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Switch plate use?
83 parts, built around the DMG3414U. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Switch plate KiCad files?
From the derui/Clairink repository on GitHub, at the commit this page was made from: the board is v2/switch-plate/switch-plate.kicad_pcb and its schematic v1/assemble-finish/assemble-finish.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Switch plate design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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