Problems with sonar module HCSR04

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I'm having problems with the arduino sonar module. I am using the NewPing library to use it, and I have already configured the module in the protoboard with all the connections. But when I open the serial monitor, where it should show almost accurate distances, they return the actual distance by oscillating with 0. How to solve this?

    
asked by anonymous 18.04.2018 / 23:23

0 answers