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Interfacing of Ultrasonic sensor(HC-SR04) with Arduino and LCD


For Circuit diagram, Code and complete working details.
Log on: http://blog.elegocart.com/simple-ardu…

HC-SR04 (Ultrasonic sensor) can be used to sense an obstacle in any range of distance between 2cm-400cm with a measurement accuracy of up to 3mm. The Arduino board gets data continuously process it and displays the distance at which an obstacle is located on LCD.

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