How to Turn a Calculator Into a Metal Detector

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Tip 1 - How to Make a metal detector from a calculator and radio

Published: 9 years, 3 month(s) ago | Submitted by xolus | permalink

Like looking for lost treasure? There's no need to break the bank for a high-end metal detector — just dig through your junk drawer! In this video tutorial, KipKay shows you how to make a metal detector from a calculator, an AM or FM radio, a standard CD case, and some velcro. That's it. Your very own metal detector.

For further reading: http://mods-n-hacks.wonderhowto.com/how-to/make-metal-detector-from-calculator-and-radio-237250/ ^[1]

Tip 2 - Turn a calculator into a metal detector

Published: 9 years, 3 month(s) ago | Submitted by Ernie Kwan | permalink

I recently discovered a really cool method in using a few household items to make a HomeMade Metal Detector! Heres how to make your own! ...

For further reading: http://www.instructables.com/id/HomeMade-Metal-Detector/ ^[2]

Tip 3 - How to Turn a Calculator Into a Metal Detector | eHow

Published: 9 years, 3 month(s) ago | Submitted by Bob Dilts | permalink

The age of broadband networking, combined with the explosion of personal video sharing web sites online, as fueled a number of phenomenon that brings out the techno-geek in all of us. One such video is a film produced by a teenage boy, known only as "Razorg606". This video spread across the Internet like wildfire, because it contained an amazing...

For further reading: http://www.ehow.com/how_2283942_turn-calculator-metal-detector.html ^[3]

Tip 4 - How to Build a Metal Detector

Published: 9 years, 3 month(s) ago | Submitted by Trafalgar | permalink

Building your own metal detector is fun and educational. Not only can save you hundreds of dollars — and make other beach bums incredibly jealous — it can be custom-fit for your personal treasure hunting needs. See Step 1 for more inf...
Tags: WikiHow, Build a Metal Detector, wiki, how to articles, how to instructions, DIY, tips, howto, learn, how do I

For further reading: http://www.wikihow.com/Build-a-Metal-Detector ^[4]

Tip 5 - Build a Metal Detector on the Cheap

Published: 9 years, 3 month(s) ago | Submitted by James Erwin | permalink

Click to view DIYer RazorG illustrates how to make a cheap metal detector using an old AM radio, tape, and a calculator. Tune your AM radio with the volume on maximum onto the high end of the frequency but not directly on a broadcast station. Once you can hear the static from the AM radio, position the radio and the calculator (turned on) close together until you hear a loud tone. Then, tape the units together securely. You now have a working metal detector which you can experiment with by putting it near silverware or another piece of metal. This works, RazorG says, because the loud tone that comes from the radio is the calculator's electronic circuit board, which produces a radio frequency signal. The radio waves from the calculator bounce off the spoon and are heard on the radio's speakers.
Tags: Video Demonstration, Calculator, DIY, Radio, Lifehacker

For further reading: http://lifehacker.com/359432/build-a-metal-detector-on-the-cheap ^[5]