It is basically an Arduino and LEDs that have been mounted on a pair of safety glasses. It runs a code that you can modify so that you get a strobe that is in front of your eyes. When you put them on, they help you see crazy patterns and things, and when you take […]
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Winter is finally here in Massachusetts. While digging in the ‘Hats’ plastic tub today, I happened upon a flappy hat from last year. SantaMaker recently brought me some cheap headphones, and a few amplified speakers too (but those are for another project). Tonight turned out to be the time to merge the two into a […]
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Who hasn’t dreamed about owning their own metal detector and searching for buried treasure, or at least a few dropped coins? In this project, we will build a metal detector based on a dual oscillator circuit. One oscillator is fixed, and the other varies depending upon the proximity of metal objects. The beat frequency between […]
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