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  3. Battery Sensor / Voltage Monitor

Battery Sensor / Voltage Monitor

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  • S stamag

    How can I present the value in Voltage (for example 3.06 V)? I don't like the "Battery monitor".

    I have got the multiple temperature meter (DHT + Dallas) working very well. Would be nice to have battery level in volts also.

    Cheers!

    AWIA Offline
    AWIA Offline
    AWI
    Hero Member
    wrote on last edited by
    #21

    @stamag I don't know exactly which sensors are supported in vera but you could possibly 'trick' the voltage on a custom V_VAR type.

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    • S Offline
      S Offline
      stamag
      wrote on last edited by
      #22
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      jeylitesJ 1 Reply Last reply
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      • S stamag

        This post is deleted!

        jeylitesJ Offline
        jeylitesJ Offline
        jeylites
        wrote on last edited by
        #23

        If I'm measuring a 5.2 volt battery, what value should R1 and R2 be?

        If the measuring voltages goes beyond the set voltage will that destroy the Arduino's input (A0)?

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        • S Offline
          S Offline
          stamag
          wrote on last edited by
          #24

          @jeylites You may change R1 and R2 and you don't destroy (A0).

          An other way is to change the multiplicator (0.003363075) in the formula:
          float batteryV = sensorValue * 0.003363075;

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