embedded-programming/Readmore.md

Timer Interrupt (ATmega328P)

Goal

Generated 1ms interrupt using Timer1

Key Registers

• TCCR1B → mode + prescaler
• OCR1A → compare value
• TIMSK1 → enable interrupt

Logic

Timer counts → match OCR1A → ISR runs → ms++

Result

LED blink using ms counter (non-blocking)