There a several modes to attach an interrupt according to Arduio.cc: attachInterrupt(0, pin2_isr, XXXX); LOW to trigger the interrupt whenever the pin is low, CHANGE to trigger the interrupt whenever the pin changes value RISING to trigger when the pin goes from low to high, FALLING for when th…

ATMEGA328 interrupt pin - why can't interrupt on "HIGH"?

fungus March 31, 2014, 8:58pm 2

Why would you want continuous interrupts? That's not what interrupts are for...

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