How to Use an Ultrasonic Sensor With Arduino

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Introduction: How to Use an Ultrasonic Sensor With Arduino

HC-SR04 Ultrasonic sensors can measure distances fairly accurately and are very useful in many Arduino projects. I've used them in autonomous robots, electronic instruments, and many other projects. They have a range of 2 cm - 400 cm (~ 0.8 inches - 13 feet) and work best against flat surfaces.

Step 1: Video

This video should help explain how to use an ultrasonic sensor.

If you have any questions leave a comment here or on the video and I'll help you as soon as possible!

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4 Comments

i like the effort you took by drowning arduino :) next time try http://fritzing.org/home/

Haha, I know about Fritzing, I just wanted to keep continuity throughout the video. Thank you though!

Nice video. I like when authors use hand-made pictures; It is more personal, it isn't so boring.

Thanks for the feedback! I'm glad people like the drawings. I have a lot of fun making them!