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 ...

Similar to the movement sensor we've already covered, distance sensors measure distance using a variety of methods. In this case, Arduino distance sensors use sound to work out how distant objects ...

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… ...

Posted in Microcontrollers Tagged attiny13, infrared, ir, phototransistor, proximity sensor, reflectance, reflective sensor ← Computer Control For Your Xbox Controller DCPU-16 Running Pac-Man → ...