Tutorial by Topics: interrupts

digitalPinToInterrupt(pin); // converts a pin id to an interrupt id, for use with attachInterrupt() and detachInterrupt(). attachInterrupt(digitalPinToInterrupt(pin), ISR, mode); // recommended attachInterrupt(interrupt, ISR, mode); // not recommended detachInterrupt(digitalPinToI...

Why do we need Interrupts Lets imagine: Our computer is connected to a keypad. We want to enter something. When we press the key nothing happens because the computer is dealing with different things and doesnt notice that we want something from him. We need Interrupts! Interrupts are triggered ...