bigclive
patreon
Inside the magnetic tester
🕑 Added 2025-09-27 00:52:49 +0000 UTCThis was a very destructive exploration, but I've now ordered a replacement.
https://www.youtube.com/watch?v=rXD3zIXNgU4
Comments
Gordo
Don't bin it !! CR2032 in place of the 2 AA's, wrap the whole thing in transparent heat-shrink and voila!! Good as new...
Mike Page
It's rare to see one with polarity. Most are just a reed switch and a beeper.
RonNona
Third light is for East and West polarity?
