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red/power 5v/39 white/gnd/1 signal/black/19 use MBED stand alone ONLY ok seems to take the LED a long time to turn off - why? http://bildr.org/2011/06/pir_arduino/
red/power 5v/39 white/gnd/1 signal/black/19 use MBED stand alone ONLY ok seems to take the LED a long time to turn off - why? http://bildr.org/2011/06/pir_arduino/