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 ...

[Photo: Randy Sarafan] If you ever bought yourself or your kids a remote-control car, you’ll know how quickly people get bored of them, leaving the toy tossed to one side. However, if you were looking ...

A salvaged Tesla Model 3 could detect distances even after the front bumper containing the ultrasonic sensors was taken off. This finding is surprising considering that the car was running the 2022.28 ...