#npnbipolar — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #npnbipolar, aggregated by home.social.
-
A Simple EMF Detector and Electroscope You Can Make From Junk Box Parts - 2N2222 devices used, but practically any junkbox NPN will do
Electromagnetic field... - https://hackaday.com/2022/01/10/a-simple-emf-detector-and-electroscope-you-can-make-from-junk-box-parts/ #electroscope #emfdetector #npnbipolar #hardware