This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

The Ultrasonic-Based Alarm System is designed to detect and alert users about the presence of objects or individuals within a specified range using ultrasonic technology. It utilizes an ultrasonic ...

This presence detector or proximity sensor circuit reacts in presence of any conductor object including humans. Sensitivity is adjustable with P1 which will be located at a great distance from the ...

The sensor shown here is essentially two plates mounted side-by-side, attached to an Arduino Nano using the Capacitor library which uses just two pins, one digital and one analog.

Arduino Motion Sensor – Circuit and Working The circuit diagram of the automation device using a motion sensor is shown in Fig. 2. It consists of an Arduino Nano board (MOD1), a PIR sensor (S1), a ...

Proximity sensor is a kind of sensor that detects the proximity of objects. When a ferromagnetic object passes through its sensing range at a certain speed, the magnetic field distribution of the ...