This is really cool. I'd build one but I dont want to buy whatever you need to flash stuff, unless its super cheap. Though if you flashed it I'd buy it and the PCB and assemble it myself.

Also I'd say you need to be able to measure rotors that get up to about 2200-2500 gauss, as stock is definitly headed there. I think some of the strongest 13mm mod rotors can get to 2000 if not 2200.

But you have a stack of PCBs, are you not planning on selling them at least?