Tiny 8 switch keypad
- Piggybacks onto a Pro Micro
- Tiny 18 x 35mm
- 6mm x 6mm tactile switches
- Simple Arduino sketch
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| Socketed Pro Micro. Leads cut from diodes soldered in place. |
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| Pins from switches cut flush to PCB. Kapton tape to insulate the pins from the USB connector. |
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| Assembled. Another soldered permanently together using pin headers. |
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| Tight fit. |
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| 3M Command strips, removable double sided foam tape. |
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| Stuck on one of my machines. Yes, I know it is blocking the drive door. |