They’re using a cheap sound sensor module and an Arduino to catch instantaneous photographs, with students caught in the act of popping balloons. The goal here was to keep things as simple as ...

a Car Parking Sensor using Arduino, featuring distance-based sound effects. This project helps drivers park safely by emitting varying sound frequencies as the car approaches an obstacle. The closer ...

a Car Parking Sensor using Arduino, featuring distance-based sound effects. This project helps drivers park safely by emitting varying sound frequencies as the car approaches an obstacle. The closer ...

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 ...

Users will need to provide their own Arduino Pro Mini and the hardware features a 1.4 W, 8 Ohms, Texas Instruments TPA2005D1, 14 bit ganged PWM, PWM 8 kHz low pass smoothing filter all powered by ...

Based on Arduino, a security system model is presented in this paper. Knock pattern is produced with the construction of piezo sensor and Arduino series board. The Knock detector is a distinctive way ...

As a biomedical equipment technician [Adam Outler] equipment needs to be in top working condition. The emergency room staff were complaining about erroneous noise on the electrocardiogram and it&#8… ...