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 ...

SideScanFlex is a four-sensor system fitted to the side of vehicle to detect objects in the nearside blind spot. SideScanFlex is a four-sensor system fitted to the side of vehicle to detect objects in ...

The Contrinex C23 standard and clear object detection sensors are mini rectangular photoelectric sensors for use in limited-space applications and are available in diffuse, diffuse with adjustable ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...