In this tutorial, we are going to make a circuit called a Contactless AC Detection circuit which will detect the presence of AC voltage when the an...
In this tutorial, we are going to learn how to use ultrasonic sensor HC-SR04 interfacing with Arduino and measure the distance which will be notifi...
In this Arduino tutorial, we are going to learn how to use a motion sensor to sound a piezoelectric buzzer. The motion sensor used here is a PIR se...