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 ...

UltraSonic Sensor Circuit Diagram. PBC Layout. 741 datasheet. 4093 datasheet. Tags 4093 circuits • 741 circuits • Electroschematics. P. Marian. About P. Marian. I love all about electronics, circuit ...