BFO Metal Detector:
Metal Detector #1:
Metal Detector #2:
Metal Detector #3:
Metal Detector #4:
Metal Detector uses Single IC: 12/12/97 EDN-Design Ideas
Simple Metal Detector:
tw1in Loop Treasure Seeker:
Computer(0)
Electronic Hobby(0)
Schematics(675)
transmitter_circuits
Microcontroller based schematics
audio_amplifiers
voltage_regulators
Motor and general control schematics
IR remote control extender
Video related schematics
xenon_lamp_circuits
AC to DC Power Supplies
