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They won't write back so I can return this piece of junk!!!!!!!!
The sensor then sends these signals to the arduino, and using the libraries you can very easily calculate the distance of the object.
This particular unit works as advertised, and seems to be as accurate as I would expect from such a device - I highly recommend it!
Does what it is intended to do, at a great price point. The kids and I are using it to help control our Arduino-based robots, and it is perfect for our experimentation.Published 5 days ago by Paul L.
I have a lot of fun using these for sonar on my Arduino powered obstacle avoidance robot. The only problem you will have is when the sonar bounces off a wall when being approached... Read morePublished 15 days ago by Jerry L. Adkins
Have wanted some of these for a long time. Works quite well . Good addition to the Arduino and other computing platforms, easy to interface, is accurate.Published 16 days ago by John deVries
Measurements were all over the place w/some materials and azimuths. With some noise filtering in software, these things are more useful. Need to work on better input.Published 24 days ago by Roberta and James Wyatt Roberta Wyatt
http://www.sainsmart.com/sensors/motion/ultrasonic-ranging-detector-mod-hc-sr04-distance-sensor. Read more
it works and is fairly easy to implement into a project that needs distance sensing. Also it cost less than the ping.Published 1 month ago by Brandon