Connecting two identical sensors.

  • Hallo,

    I discovered recently Arduino and Domoticz.
    I installed Domoticz on a Windows 10 laptop, build a serial gateway, a light sensor and a temp sensor.
    Everyting is working perfect.
    I made another temp sensor , but in domoticz I cannot find it.
    I used for both temp sensors the sketch the My Sensors site.
    The only difference is: the first one has an Arduino Nano, the second an Arduino uno.
    What am I doing wrong ?

  • Mod

    Hi @johang, welcome to the MySensors forum!

    Could you post the gateway debug log, debug logs from both temp nodes and the domoticz log? They will help tremendously when troubleshooting the problem.

    If you haven't already, see for the most common problems and how to troubleshoot them.

    You can also try exchanging the temp sensors between the nodes to see if there is a problem with one of the temp sensors.

  • Problem solved.
    My main problem was the poor connection due to used jumper wires.
    After replacing the Arduino Uno by an Nano and replacing all the jumpers it is working.

  • Mod

    Great work @johang, thanks for reporting back.

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