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Resources for ergodox keyboard build.
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Parts List


Part Source Qty.
Teensy 2.0 1
MCP23018 I/O expander Digikey: MCP23018-E/SP-ND 1
3.5mm TRRS connector Digikey: CP-43514-ND 2
USB mini B connector Digikey: WM17115-ND 1
USB mini B plug Digikey: H2955-ND 1
0.1 UF ceramic capacitor Digikey: BC2665CT-ND* 1
1N4148 diode Digikey: 1N4148FS-ND* 76
2.2K Ω resistor Digikey: 2.2KQTR-ND* 2
3mm T1 LED Digikey: 160-1034-ND* 3
~220 Ω resistor (match to led) Digikey: 220QBK-ND* 3
Cherry MX switch 76

Laser Action

Here is a short video of the case cutting process.

Finished Build

Image of final build

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