3 state switch and what to send via mqtt



  • hello

    i'm planning the following setup:

    • simple relay + light sensor node => controlling a lamp
      on / off is clear. auto should switch on the light when it becomes dark and vice versa.
    • in openhab i want to so set this lamp to on / off / auto => does this kind of switch exist in openhab?
    • if yes: how would the message sent via mqtt look like? The predefined api sub-types won't help me imho, because a V_LIGHT for example does know only two states. or can i set the payload to whatever i want? ie 0=off, 1=on, 3=auto and decide in the sketch what to do?

  • Plugin Developer

    I would try to keep the logic at the controller side. You could make two buttons/switches in openhab. One for on/off and one for auto/manual. A sensor for the light level. Combine those with a rule.



  • yep, i'm afraid that's the way to go. Thanks for ACK


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