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Ultrasonic Distance Sensor (HC-SR04) Reviews

4.9 Rating 59 Reviews
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Very fun to use
Helpful Report
Posted 1 year ago
The HC-SR04 is very easy to implement. but remember that the pins on the RPi require 3.3v which can be reduced from the 5v of the ECHO pin on the sensor by using voltage divider resistors. I successfully programmed the RPi 1B to work as an obstacle-avoidance vehicle.
2 Helpful Report
Posted 2 years ago
Great little device, delivered on time as usual. Thanks!
1 Helpful Report
Posted 2 years ago
Works as expected.
Helpful Report
Posted 2 years ago
Works well. I only wish it had a in-built voltage divider so I don't have to solder resistors. At least pihut has a great article about that. Nevertheless, it's a good sensor to play with.
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Posted 2 years ago
Simple and really accurate
2 Helpful Report
Posted 2 years ago
Easy to set up, easy to code for using micropython. A great little module that I have used for little robot test piece.
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Posted 2 years ago
All parts received quickly and in great condition! Would definitely use again for any other parts needed!
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Posted 2 years ago