Arduino Tutorial: Ultrasonic Sensor HC SR04 distance meter with a Nokia 5110 LCD display
Nick2018-04-28T09:09:29+03:00Hi guys, welcome to today's Arduino tutorial. Today I will be showing us how to use the popular HC-SRO4 Ultrasonic sensor with the Arduino to measure distance. HC SRO4 is a very cheap and effective ranging sensor which uses the principle of echo and ultrasonic sound to measure the distance between two points. [...]