commelby:
Ok, in this coding,where the code indicates signal come from.....?
It's using the pulse counting feature of Timer/Counter 1. That would be the signal called "T1" which on the ATmega328P is pin 5 of Port D. Arduino calls it Pin 5.
commelby:
Ok, in this coding,where the code indicates signal come from.....?
It's using the pulse counting feature of Timer/Counter 1. That would be the signal called "T1" which on the ATmega328P is pin 5 of Port D. Arduino calls it Pin 5.