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Originally Posted by Astronouth7303
Since LEDs are a variety of diode (not that I should have to say this), then the LED won't allow backwards current through. NO IR.
Or am I misunderstanding the IRL3103 (FET) thingy?
When I though of this, I checked both the pin arangement and the revised schematic. I think I'm reading everything right. (Check pins w/IFI's huge gif)
[Excuse me if I'm wrong. Trying to figure it out right is giving me a headache!]
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No you are absolutly correct, you can not run an led in "reverse". On normal commercial led's the positive pin is the longer of the 2 pins. What i am wondering is if you might have went out and got replacment ir recievers from radio shack or somewheres and got a blanket style ir device that will pick up a range of frequencies or if you might just have damaged ir detectors. The temp can damage them in shipping or storage.