And now that's my fall-back. I can chuck a small RE magnet fragment behind the main stone and use a hall effect sensor just under. I'm also remembering the small glass rfid ampoules. I've got a huge cache of readers...
And now that's my fall-back. I can chuck a small RE magnet fragment behind the main stone and use a hall effect sensor just under. I'm also remembering the small glass rfid ampoules. I've got a huge cache of readers...