Isaac was interested in getting a metal detector after seeing some guy at the basket court with one. I found this article describing how to make your own with a radio and a calculator.
On this MAKE blog, they discuss the project in greater detail, creating your own BFO (beat frequency oscillator). Sounds like a good science fair project.
Monday, February 25, 2008
Homemade Metal Detector
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1 comment:
So, Isaac, do you want this for your birthday or you and Daddy going to try to make this? Gammy
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