You might be quite surprised though brightness does come into it. Flashing a LED off for a short duration is harder to detect than being flashed on because of persistence of vision.
BOYOHrperreta wrote: ↑Sun Apr 22, 2018 10:49 pmHi all,
I need to do a quick continuity test. I want to ground wires to quickly close then open immediately. What GPIO's can I trigger using C/Python to do this?
Ex: I have lets say an LED with power connected and the ground wire is open. I want to trigger from the app a quick close and open like 1 or 2 ms interval. Any help would be greatly appreciated..
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