2 layers234.9 × 106.1 mm
2 layers220.1 × 101.6 mm
Xs18
Roming22/xs18- Size
- 220.1 × 101.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 34
- Pads
- 179
- Tracks, vias
- 323, 110
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 21 Apr 2025
- Updated
- 31 Oct 2026
Overview
Xs18 is an open-source printed circuit board by Roming22, from the Roming22/xs18 repository on GitHub. It is a 2-layer board of 220.1 × 101.6 mm with 26 parts on 34 nets, routed with 323 tracks and 110 vias.
It is built around the UMP1NTR. Its parts include 20 switches and 5 diodes.
Main components
1README
README.mdParts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 20 | PG1350 | S1, S2, S3, S4, S5, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20 +4 | |
| 5 | UMP1NTR | easyeda2kicad:SOT-353_L2.1-W1.3-P0.65-LS2.3-BL | D1, D2, D3, D4, D5 |
| 1 | xiao-ble | MCU1 |
Questions
How big is the Xs18 PCB?
It measures 220.1 × 101.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Xs18 use?
26 parts, built around the UMP1NTR. 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 Xs18 KiCad files?
From the Roming22/xs18 repository on GitHub, at the commit this page was made from: the board is board/kicad/kicad.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Xs18 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Roming22 before reusing the design.
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