This library (with example) is designed to be integrated in projects using ultrasonic proximity sensors. It was tested with HC-SR04 device but it should be usable with equivalent sensors which have a ...

Pools have come a long way. It used to be you had a pump and if you were lucky it had a mechanical timer switch on it. That was it. Now you have digital controllers and spa jets and heaters. You can ...

distance_mapping.txt: Contains range definitions and LED logic explanation. Distance-to-LED Mapping Logic: 0 to 5 cm: → Built-in LED (Pin 13) is ON → External LEDs OFF → Indicates object is extremely ...