Interface Ultrasonic With Arduino Uno

Ultrasonic sensor act like a bats. The HC-SR04 ultrasonic sensor uses sonar to determine distance. It offers excellent range detection with high accuracy and stable reading. It offers range detection from 2cm to 400 cm or 1 to 13 feet. Ultrasonic sensor consist of Transmitter and Receiver module. Working Sensor trigger pin must receive a … Continue reading Interface Ultrasonic With Arduino Uno