LED measures Volts and Hz

ToyKeeper
ToyKeeper
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Published 2017-04-04
Just a quick demo showing how a LED can be used to measure the brightness of its environment, and how easy it is to measure pulse speed with a good DMM.
All Comments (2)
  • @SteveKluver
    I see you got your YouTube name changed today. Nice! How did you manage that? In this video, could that *16.78 kHz you got when shining the flashlight into the LED, be considered its PWM?