DIY Smart Security Alarm using Ultrasonic Sensor & Buzzer| Arduino Project for Beginners#experiment
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YouTubeAtomish Creations
DIY Smart Security Alarm using Ultrasonic Sensor & Buzzer| Arduino Project for Beginners#experiment
In this project, we’ve built a simple yet effective Smart Security Alarm using an Arduino, an ultrasonic sensor (HC-SR04), and a buzzer. This system detects motion or objects within a 60 cm range and activates a buzzer as an alarm. It's perfect for DIY home security or school science projects. 🔧 Components Used: Arduino UNO HC-SR04 ...
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