Activity Forums Questions & Troubleshooting DS18S20 One Wire Tutorial

  • DS18S20 One Wire Tutorial

  • Andreas

    November 7, 2021 at 4:06 pm


    as my first script with the Controllino MAXI I try the OneWire example from the build in tutorials. On port SDA (pin 20) it works fine as describred.

    1-wire Temperature Sensor (DS18B20)

    In the example is explained that is working on other ports, too. D0 is pin 2, or A0 is pin 54, but I get no signal from the DS18S20. What is to do?

    Best regards


  • Lukas

    January 4, 2022 at 2:41 pm

    Hello Andreas,

    do you have any progress so far?

    Have you properly changed the pin number also in the sketch?

    OneWire ds(20); // on pin 20 (a 4.7K resistor is necessary)



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