More info here: http://www.40percent.club/2017/10/unquadquad.html BOM 144 1n4148 diodes 144 MX compatible PCB mount switches 1 Arduino Micro (not Pro Micro) 2 17pin headers or 1 40pin machined pin wide socket [How to order PCBs from gerber files](http://www.40percent.club/2017/03/ordering-pcb.html) EasyEDA ordering info: PCB ![unquadquad](unquadquad.png) Gerber: unquadquad.zip 233.4mm Max* 233.4mm Max; Layers: 2; PCB Thickness: 1.6mm; PCB Qty.: 5; PCB Color: Green; Surface Finish: HASL; Copper Weight: 1; Panelized PCBs: 1 Files released under https://creativecommons.org/licenses/by-nc-sa/4.0/ ![Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png)