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input-capture-unit

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This project demonstrates Timer1 Input Capture Mode on ATmega328P (Arduino UNO) using register-level programming. The timer captures the value of TCNT1 whenever a rising edge appears on the ICP1 pin (PD6 / Arduino D8) and stores it in the ICR1 register. The captured timer value is displayed via Serial Monitor.

  • Updated Oct 27, 2025
  • C++

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