NIBBLE 0x3 Assembly Instructions Rev03 10.22.20
STOP!
It’s highly recommended that you test each key at this point before
continuing. If you haven’t already, jump to step 20 to flash QMK firmware.
Use a keyboard tester (this one works) and short the switch pads for each
switch using tweezers, a clipped lead from earlier, or something else
conductive. If there is an issue, it will be much easier to debug now before
everything has been soldered and assembled.