Introduction In this tutorial, we are going to show you how to create an “Ultrasonic Security System” using an HC-SR04 sensor and Arduino UNO. This system will send an alarm if it detects any movement … Read more
security system
Introduction In this tutorial, we are going to show you how to create an “Ultrasonic Security System” using an HC-SR04 sensor and Arduino UNO. This system will send an alarm if it detects any movement … Read more