
CoCo1SwitchBoard
mrojas36/CoCoSwitchboard
Membrane Replacement for TRS-80 Color Computer Keyboards

Membrane Replacement for TRS-80 Color Computer Keyboards
CoCo3SwitchBoard is an open-source printed circuit board by mrojas36, from the mrojas36/CoCoSwitchboard repository on GitHub, published under the MIT licence. It is a 2-layer board of 290 × 114 mm with 58 parts on 16 nets, routed with 747 tracks and 107 vias.
Its parts include 57 switches and 1 connector.
Membrane Replacement for TRS-80 Color Computer Keyboards

| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | 0 | Button_Switch_SMD:SW_SPST_EVQQ2 | S5 |
| 1 | 1 | Button_Switch_SMD:SW_SPST_EVQQ2 | S12 |
| 1 | 2 | Button_Switch_SMD:SW_SPST_EVQQ2 | S19 |
| 1 | 3 | Button_Switch_SMD:SW_SPST_EVQQ2 | S26 |
| 1 | 4 | Button_Switch_SMD:SW_SPST_EVQQ2 | S33 |
| 1 | 5 | Button_Switch_SMD:SW_SPST_EVQQ2 | S40 |
| 1 | 6 | Button_Switch_SMD:SW_SPST_EVQQ2 | S47 |
| 1 | 7 | Button_Switch_SMD:SW_SPST_EVQQ2 | S54 |
| 1 | 8 | Button_Switch_SMD:SW_SPST_EVQQ2 | S6 |
| 1 | 9 | Button_Switch_SMD:SW_SPST_EVQQ2 | S13 |
| 1 | @ | Button_Switch_SMD:SW_SPST_EVQQ2 | S1 |
| 1 | A | Button_Switch_SMD:SW_SPST_EVQQ2 | S8 |
| 1 | ALT | Button_Switch_SMD:SW_SPST_EVQQ2 | S28 |
| 1 | B | Button_Switch_SMD:SW_SPST_EVQQ2 | S15 |
| 1 | C | Button_Switch_SMD:SW_SPST_EVQQ2 | S22 |
| 1 | CLEAR | Button_Switch_SMD:SW_SPST_EVQQ2 | S14 |
| 1 | COLON | Button_Switch_SMD:SW_SPST_EVQQ2 | S20 |
| 1 | COMMA | Button_Switch_SMD:SW_SPST_EVQQ2 | S34 |
| 1 | CTRL | Button_Switch_SMD:SW_SPST_EVQQ2 | S35 |
| 1 | Conn_01x16 | Connector_PinHeader_1.27mm:PinHeader_2x08_P1.27mm_Vertical | J1 |
| 1 | D | Button_Switch_SMD:SW_SPST_EVQQ2 | S29 |
| 1 | DOWN | Button_Switch_SMD:SW_SPST_EVQQ2 | S32 |
| 1 | E | Button_Switch_SMD:SW_SPST_EVQQ2 | S36 |
| 1 | ENTER | Button_Switch_SMD:SW_SPST_EVQQ2 | S7 |
| 1 | ESC | Button_Switch_SMD:SW_SPST_EVQQ2 | S21 |
| 1 | F | Button_Switch_SMD:SW_SPST_EVQQ2 | S43 |
| 1 | F1 | Button_Switch_SMD:SW_SPST_EVQQ2 | S42 |
| 1 | F2 | Button_Switch_SMD:SW_SPST_EVQQ2 | S49 |
| 1 | G | Button_Switch_SMD:SW_SPST_EVQQ2 | S50 |
| 1 | H | Button_Switch_SMD:SW_SPST_EVQQ2 | S2 |
| 1 | I | Button_Switch_SMD:SW_SPST_EVQQ2 | S9 |
| 1 | J | Button_Switch_SMD:SW_SPST_EVQQ2 | S16 |
| 1 | K | Button_Switch_SMD:SW_SPST_EVQQ2 | S23 |
| 1 | L | Button_Switch_SMD:SW_SPST_EVQQ2 | S30 |
| 1 | LEFT | Button_Switch_SMD:SW_SPST_EVQQ2 | S39 |
| 1 | LSHIFT | Button_Switch_SMD:SW_SPST_EVQQ2 | S56 |
| 1 | M | Button_Switch_SMD:SW_SPST_EVQQ2 | S37 |
| 1 | MINUS | Button_Switch_SMD:SW_SPST_EVQQ2 | S41 |
| 1 | N | Button_Switch_SMD:SW_SPST_EVQQ2 | S44 |
| 1 | O | Button_Switch_SMD:SW_SPST_EVQQ2 | S51 |
| 1 | P | Button_Switch_SMD:SW_SPST_EVQQ2 | S3 |
| 1 | PERIOD | Button_Switch_SMD:SW_SPST_EVQQ2 | S48 |
| 1 | Q | Button_Switch_SMD:SW_SPST_EVQQ2 | S10 |
| 1 | R | Button_Switch_SMD:SW_SPST_EVQQ2 | S17 |
| 1 | RIGHT | Button_Switch_SMD:SW_SPST_EVQQ2 | S46 |
| 1 | RSHIFT | Button_Switch_SMD:SW_SPST_EVQQ2 | S57 |
| 1 | S | Button_Switch_SMD:SW_SPST_EVQQ2 | S24 |
| 1 | SEMICOLON | Button_Switch_SMD:SW_SPST_EVQQ2 | S27 |
| 1 | SLASH | Button_Switch_SMD:SW_SPST_EVQQ2 | S55 |
| 1 | SPACE | Button_Switch_SMD:SW_SPST_EVQQ2 | S53 |
| 1 | T | Button_Switch_SMD:SW_SPST_EVQQ2 | S31 |
| 1 | U | Button_Switch_SMD:SW_SPST_EVQQ2 | S38 |
| 1 | UP | Button_Switch_SMD:SW_SPST_EVQQ2 | S25 |
| 1 | V | Button_Switch_SMD:SW_SPST_EVQQ2 | S45 |
| 1 | W | Button_Switch_SMD:SW_SPST_EVQQ2 | S52 |
| 1 | X | Button_Switch_SMD:SW_SPST_EVQQ2 | S4 |
| 1 | Y | Button_Switch_SMD:SW_SPST_EVQQ2 | S11 |
| 1 | Z | Button_Switch_SMD:SW_SPST_EVQQ2 | S18 |

mrojas36/CoCoSwitchboard
Membrane Replacement for TRS-80 Color Computer Keyboards

mrojas36/CoCoSwitchboard
Membrane Replacement for TRS-80 Color Computer Keyboards

mrojas36/CoCoSwitchboard
Membrane Replacement for TRS-80 Color Computer Keyboards



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The firmware/boards directory contains configuration for each board this firmware supports.
It measures 290 × 114 mm and has 2 copper layers, 1.6 mm thick.
58 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 mrojas36/CoCoSwitchboard repository on GitHub, at the commit this page was made from: the board is CoCo3Switchboard/CoCo3SwitchBoard.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
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).