Hello, I have a big problem and I need help. I'm trying to use the Ultrasonic Sensor HC-SR04 to make a project, I have this sensor connected to the arduino via USB and the problem is that i get multiple values of 0cm. For example i mesure 3cm, 4cm, 4cm, 5cm, 0cm,0cm,0cm,0cm, 6cm, 0cm,0cm,0cm, 8cm. I…

Need Help with HC-SR04 (Ultrasonic Sensor)

system September 26, 2012, 6:28pm 2

Why not call the ranging method once per loop and store the result for your comparisons?

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