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Powering IR Board by PWM
Ok, so there's several ways to power IR boards:
backup battery 12volt circuit breaker block pwms in digital inputs or analog inputs so here's my question if we want to power the board via pwm, which color pwm wires link to the V+ and ground of the ir board. It seems like it would be black to ground and red to V+, but I don't want to accidentally fry the board because I assumed. Especially because apparently the board is really sensitive to reversed polarity... (has anyone heard of diodes?)  
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