Unexpectedly complex ceramic PCB (I broke it!) (Patreon)
Published:
2023-06-26 03:56:32
Imported:
2023-06
Content
This is a non contact voltage detector pen that I bought a VERY long time ago. Probably when they first appeared. It was subsequently banned by the safety crowd for the perceived risk of it having a metal body.
The circuit board inside is unusually complex and expensive looking.