EEVblog #67 - Hacking the Princeton Tec EOS LED Headlamp with a Cree XPG
Dave does a teardown of the Princeton Tec EOS headlamp and mods it with a new Cree XPG LED. Throw in a quick reverse engineer of the circuit, gratuitous scope shots, torturing a thermistor, a practical demonstration of why you really do need 5 multimeters on your bench, and as usual Dave finds no problems filling up 25 minutes.
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