Number Macro pad

Number pad macro pad combo. (code to be written, github link soon) requires heated inserts (3.1mm dia holes) requires: 4x 3mm m2 heatset insert 4x 2mm m2 heatset insert 4x 6mm spacers (brass or nylon) 4x 8mm round rubber feet 14x Switches and keycaps 2x (13 or 12) pins 1x arduino pro micro (or any like it) microcontroller