Okay, I diddled with the PM3’s firmware a bit, to improve the precision of antenna voltage measurements. Now I can control the pitch of my Proxmark “theremin” with my implants much more precisely. Check it out:
https://www.dailymotion.com/embed/video/x7udu2a?queue-enable=false&queue-autoplay-next=false
Of course, now the problem is, I can’t carry a tune in a bucket. So what comes out of my newfound musical instrument is still awful. But this time it’s my fault. I’ll practice a bit when my S.O. isn’t around, because she’s getting mighty pissed off with the racket 