This project is still work in progress. Print and assemble at your own risk.
- 1 x 7x5cm PCB prototype board
- 1 x AZDelivery Pro Micro ATMEGA32U4
- Heat Set Inserts M3x3 (short)
- 51 x Diode SMD 0805 1N4148
- 9 x Resistor SMD 0805 10K
- 47 x OMRON B3F-115x Tactile Switch
- 2 x Switch cover
- 2 x Switch ON/OFF
- 1 x Switch (ON)/OFF/(ON)
- 1 x Texas Instruments CD4094BE shift register
- Break away pin headers
- Wire
- Dupont crimping tool and connectors
- M3 and M4 screws
STLs are hosted on Printables.
You can find the CAD files on Onshape. Be careful as these may contain untested changes.
Except where otherwise noted, this work © 2025 is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
