Hello, I'm tring to work out how to time the length of time between pulses of an LED i.e rate (on my electric meter , 1 pulse = 1 watt of electricity). The timing can be anything from 1 pulse every ~10 minutes to ~3 a second being 6WATTS - 10.8 Kilowatts then I could display this on a servo to form …

Length of time between pulses ?

system January 28, 2008, 4:09pm 3

Sorry I should have said, I was planning to have a 741 opamp and a photo diode or a LDR to send the pulses back to an Arduino

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