Build you own metal detector Science Technology By Phillip TorronePhillip Torronecurrent: @adafruit - previous: MAKE, popular science, hackaday, engadget, fallon, braincraft ... howtoons, 2600... View more articles by Phillip Torrone @adafruit February 20th, 2006 4 Here’s a pretty simple and fun metal detector you can make. It’s a BFO (beat frequency oscillator) – when metal is detected it changes the sound coming out from the speaker. [via] Link. Tagged DIY Projects By Phillip TorronePhillip Torronecurrent: @adafruit - previous: MAKE, popular science, hackaday, engadget, fallon, braincraft ... howtoons, 2600... View more articles by Phillip Torrone @adafruit Discuss this article with the rest of the community on our Discord server! ADVERTISEMENT Subscribe now to Make: MagazineThe official magazine of Maker Faire Related Articles from Make: From the Shed: New Arrivals3018-PRO Desktop CNC Router DIY Kit$159.00Make: Magazine, Volume 98$9.99Flatsat 1 Spaceborne Communication Training Tool$71.95 Get Make: Magazine $19.99
