DIY Simple Field Strength Meter

Simple Field Strength Meter
for detecting electromagnetics fields and radio waves
#diy #radio #electronic #instrument #laboratory
Listen to the full audio track:
• Runaway Fabrizio Mar...

[@pak_guru_toro]

Simple but amazing

[@paulstubbs7678]

Nice build, I'm so used to these being incredibly insensitive, as in diodes directly driving a meter, no amp.
So one with gain is a welcome change.
However the weird battery connector has me, never seen a battery pack anything like that one.

[@fabriziomarzi-cm6to]

It is a system of connectors made with 3D printers designed by me