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Originally Posted by KenWittlief
sounds like toast :c(
do you have a spec sheet for them? are you sure they are designed to run at 5VDC? LEDs normally need a series resistor to limit current, but also, when they are blown they dont work at all
blinking is weird. are you sure its not your power supply that is switching on and off? can you meter the power pins to the encoder? maybe you have a breaker cycling or something weird?
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I had an ammeter in parrallel with both power supply for both configurations... it was running between 4.85 and 5, which was inside the tolerance stated in the white paper.
I just wanted to make sure they were fried, get a second opinion as it were.