

Silli18
16 button macro pad with rotary encoder support.
- Size
- 95.3 × 104.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 47
- Nets
- 61
- Pads
- 262
- Tracks, vias
- 191, 3
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 28 Feb 2024
- Updated
- 23 May 2024
Overview
Silli18 is an open-source printed circuit board by Squalius-cephalus, from the Squalius-cephalus/silli18 repository on GitHub. It is a 2-layer board of 95.3 × 104.8 mm with 47 parts on 61 nets, routed with 191 tracks and 3 vias.
Its parts include 18 diodes, 18 switches and 1 IC. It belongs with the keyboards and input boards and the RP2040 boards of this library.
README
README.mdSilli18
RP2040 based macropad, which uses QMK firmware with Vial support.
If you are interested in macropad with hotswap sockets, check Silakka18.

Bill of materials
- 1 x PCB
- 1 x Pin compatible Raspberry Pi Pico
- 1 x 3D printed bottom plate
- 1 x 3D printed top plate
- 2 x EC11 Rotary encoders
- 16 x MX style mechanical switches
- 16 x MX compatible keycaps
- 18 x 1N4148 diode
- 8 x M2 4mm bolt
- 8 x M2 brass inserts
- 8x Rubber feet
TODO
- Make build guide
PCB design uses footprints from ScottoKeebs and kbd library.
Parts
47| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | Diode | kbd:D3_TH | D1, D2, D3, D4, D5, D6, D7, D10, D11, D12, D13, D14, D15, D16, D17, D18 +2 |
| 16 | Keyswitch | ScottoKeebs_MX:MX_PCB_1.00u | S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16 |
| 2 | RotaryEncoder_Switch | Keebio-Parts.pretty-master:RotaryEncoder_EC11 | SW1, SW2 |
| 1 | Raspberry_Pi_Pico | ScottoKeebs_MCU:Raspberry_Pi_Pico | U1 |
The 37 most common of 47 parts.
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Questions
How big is the Silli18 PCB?
It measures 95.3 × 104.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Silli18 use?
47 parts. 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 Silli18 KiCad files?
From the Squalius-cephalus/silli18 repository on GitHub, at the commit this page was made from: the board is Silli18_kicad/Silli18.kicad_pcb and its schematic Silli18_kicad/Silli18.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Silli18 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Squalius-cephalus before reusing the design.