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Ultrasonic Distance Sensor (HC-SR04) Reviews

4.9 Rating 62 Reviews
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A simple and useful distance meter. Also very cheap!
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Posted 5 years ago
Great product, great value
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Posted 6 years ago
Built a theremin from the Projects book. Worked perfectly
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Posted 6 years ago
Excellent service, fast shipment, quality prodact
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Posted 6 years ago
The ultrasonic detector is very sensitive and can detect surfaces up to 1 metre away. I have it set to around 300mm via the software driver, and it is consistent in detecting surfaces, regardless of the material.
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Posted 7 years ago
Just wish it was half the size for my project.
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Posted 7 years ago
Great sensor to add to my sons kit. Now having lots of fun experimenting with it!!
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Posted 8 years ago
easy to use, mi kid love it
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Posted 8 years ago