Turn A Calculator Into A Metal Detector

[JC1]

Many ways to make a metal detector.

This is one.

Might make a good two box.

or LRL (turn up the volume and listen close)

Don't hurt yourselfs making this thing.

http://www.metacafe.com/watch/940341/turn_a_calculator_into_a_metal_detector/

Had to share.

[joecoin]

Does anyone have way to turn a metal detector into a calculator?

[Fred]

Does anyone have way to turn a metal detector into a calculator?

Yes! Buy the Examiner
Fred.

[Geo]

Very good
He convert the radio to a BFO

[geshi]

Anyone know how to turn a LRL to a metal detector?
Probably will be little more complicated that calc+radio...