Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
It's an ATmega168PA
//Setting PCINT3 PCICR |= (1 << PCIE0); PCMSK0 |= (1 << PCINT3); SREG |= 0b10000000;
ISR(PCINT0_vect){ PORTD |= (1 << PORTD4); }