Ultrasonic Sensor(HC-SR04)

This is the HC-SR04 ultrasonic ranging sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit.

Product Description


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You can get all the technical details for this sensor from it’s datasheet. Download datasheet from here.

 Pin Diagram

Getting Started Video

Watch out this video to know the concept of Ultrasound and also how this particular module works.

Projects using this

1)Smart Mandir

2) Distance Measurement using Ultrasonic Sensor

3) Intelligent Breaking System using Ultrasonic Sensor