EEVblog #714 - Metal Detector Reverse Engineering
18:31
DIY DD metal detector 1 - first success
26:14
EEVblog #837 - Reverse Engineering A Valve Headphone Amplifier
18:02
Reverse engineering of a mains power controller.
4:02
Searchcoil Basics
12:40
Metal Detector Discrimination Explained (with a Garret AT Pro)
21:39
Metal Detector TGSL DIY
25:18
DIY DD metal detector 2 - coin at 35cm, audio indicator, PCB
14:48