Friday, November 14, 2014

Led throwie from Hackaday.

Led throwie from "An LED-throwie which only activates at dawn or night. Add a magnet and you can stick it at metallic surfaces.  ATTENTION: For red, yellow and orange use a 120 Ohm resistor. For blue, green or white no resistor is needed."  Looks neat, but wish it used some parts that I am more familiar with. Wonder if you could not use just any pnp transistor. And etc...

Per NTE:
T 2N4401 = 123AP or 2n3906 or 2N2222?
R GL5516 = generic photo resistor

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