This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ... module will send out burst of ultrasound at 40 kHz and raise its echo. The set-up process is very ...

The operating method of the module is also not very hard. If it’s in a way that we all understand (see the timing diagram below), when the ... a new translation of some well-worn “Arduino & Ultrasonic ...