ETI561: Simple, Sensitive Metal Detector (Phil Wait, ETI) BFO with digital
reference ... Rakes, Popular Electronics) Three circuits from the Circuit Circus
www.ask.com/youtube?q=Metal Detector Schematics&v=Pbxb2tnt1J0
Jan 18, 2015 ... Looking for a simple but effective metal detector circuit for coins, jewelry, and
more? Then this one may be exactly what you're looking for.
BFO ( beat frequency oscillator ) metal detectors use two oscillators, each of ...
Connect this coil when finished to the points marked coil 1 on the schematic.
Schematic diagrams of various metal detectors from Heathkit, White's Electronics.
Assembling your own metal detector is definitely not an easy project: Nevada
The heart of this diy metal detector circuit is the CS209A IC. The metal detector is
built with one 100µH coil that has 40 mm in diameter and is made.
Our first electronic metal detector circuit, see Fig. 2, uses a Hall Effect sensor to
detect weak permanent magnetic fields. Almost all ferrous objects retain some ...
The other day when I was searching instructables I come across on interesting
and simple circuit for metal detector. It is build with 555, coil and few other ...
A circuit that detects metal and also magnets. Overview When a magnet is
brought close to the 10mH choke, the output frequency changes. Schematic
Jul 13, 2012 ... This post will show you how to build your own metal detector from the Surf Pi ....
Completed Surf PI 1.2 Pulse Induction Metal Detector Kit Circuit ...