
Keyboard
hackclub/OnBoard
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38/44/48/56 key split keyboard
The sirens is an open-source printed circuit board by jasonhazel, from the jasonhazel/the-sirens repository on GitHub, published under the CC-BY-4.0 licence. It is a 2-layer board of 259.7 × 96.9 mm with 122 parts on 80 nets.
Its parts include 56 diodes and 56 switches. It belongs with the keyboards and input boards of this library.
38/44/48/56 key split

The Sirens by Jason Hazel is licensed under CC BY 4.0
| Qty | Value | Footprint | References |
|---|---|---|---|
| 56 | PG1350 | S1, S2, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23 +40 | |
| 56 | ComboDiode | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +40 | |
| 2 | E73:SPDT_C128955 | T1, T2 | |
| 2 | 74HC595_SOIC-16_3.9x9.9mm_P1.27mm | 74HC595, 74HC595 | |
| 2 | — | xiao-ble-tht | XIAO1, XIAO2 |
The 118 most common of 122 parts.
It measures 259.7 × 96.9 mm and has 2 copper layers, 1.6 mm thick.
122 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.
From the jasonhazel/the-sirens repository on GitHub, at the commit this page was made from: the board is rev0/pcbs/theSirens.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the CC-BY-4.0 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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