securityalarm

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amliyanage / Security_Alarm_Using_Arduino

This Arduino project uses an HC-SR04 ultrasonic sensor to measure the distance to objects. When an object is detected within a specified range, a piezo buzzer sounds an alarm, and an LED lights up. The project is ideal for simple proximity-based alert systems like security alarms.

arduino ultrasonicsensor proximitysensor securityalarm

Updated Oct 12, 2024
C++

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