#ultrasonicsensor

ESP32 Water Tank Controller: An ESP32, an ultrasonic sensor, and a relay turn a manual rooftop water pump into a hands-off system that fills the tank and stops before it overflows.

Originally published at norvik.tech Introduction Explore the integration of ultrasonic...

Connecting an ultrasonic sensor like the common HC-SR04 to an Arduino Uno (or any similar board) is a...