🔹 Decode by keying in Morse sequences with a button. 🔹 Encode by typing letters into the Serial Monitor. 🔹 Watch the LED flash and listen to the buzzer beep as the code is processed. This project ...

Connect the PIR sensor, LED, and piezo buzzer to the Arduino as per the pin definitions in the code. Upload the code to the Arduino Uno. The system will start monitoring for motion. The LED and buzzer ...