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    Can Anyone Explain This Circuit?

    It's an easy way to find out which community is better (you guys win). And thanks for the answer. I didn't know you could fit an AM radio circuit in something that small.
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    Can Anyone Explain This Circuit?

    This came out of a lighter. You would press the button down to generate the spark and it would also makes these LEDs flash. What I don't understand is, how does the piezo sparker activate this circuit from over 1 inch away? You can press the sparker anywhere along that circuit within a 1.5 inch...
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    Broken Flash Drive Help

    I dropped it and now there is no LED indicator light lighting up. And it will not show up in My Computer. I managed to strip it down to this. So the first thing I notice is that this chip is loose. And on the underside, it has 4 metal contacts, so we know that it goes there in that missing...
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