TUTORIAL: How to use HC-SR04 Ultrasonic Sensor with Arduino
This tutorial is about the commonly use HC-SR04 ultrasonic sensor. We will give some details about it, explain how it works, and at the last part we will create an Arduino sketch to test its functionality. HOW HC-SR04 WORKS The HC-SR04 ultrasonic sensor uses a sound frequency to determine distance of an object just like […]
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