2 layers122.5 × 87.6 mm
2 layers315 × 123.5 mm
Coco2Keyboard
jasperhax0r/TandyCoCoKeyboardSchematics for Tandy TRS80 CoCo2 Keyboard
- Size
- 315 × 123.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 113
- Nets
- 69
- Pads
- 401
- Tracks, vias
- 1,064, 74
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 3 Jun 2025
- Updated
- 30 Aug 2025
Overview
Coco2Keyboard is an open-source printed circuit board by jasperhax0r, from the jasperhax0r/TandyCoCoKeyboard repository on GitHub, published under the MIT licence. It is a 2-layer board of 315 × 123.5 mm with 113 parts on 69 nets, routed with 1,064 tracks and 74 vias.
Its parts include 53 diodes, 53 switches and 1 connector.
README
README.mdParts
113| Qty | Value | Footprint | References |
|---|---|---|---|
| 53 | D | Diode_SMD:D_SOD-123 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +37 |
| 49 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +33 |
| 6 | MountingHole_5mm | MountingHole:MountingHole_5mm | Mount1, Mount2, Mount3, Mount4, Mount5, Mount6 |
| 2 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.75u_PCB | SW52, SW53 |
| 1 | Conn_01x16_Pin | Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_Horizontal | J1 |
| 1 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_6.25u_PCB | SW32 |
| 1 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_2.25u_PCB | SW49 |
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Questions
How big is the Coco2Keyboard PCB?
It measures 315 × 123.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Coco2Keyboard use?
113 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 Coco2Keyboard KiCad files?
From the jasperhax0r/TandyCoCoKeyboard repository on GitHub, at the commit this page was made from: the board is coco2Keyboard.kicad_pcb and its schematic coco2Keyboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Coco2Keyboard 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).