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  1. Home
  2. Troubleshooting
  3. [SOLVED] Batteries powered temperature sensore node drawn too much current

[SOLVED] Batteries powered temperature sensore node drawn too much current

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  • D Offline
    D Offline
    David Muller
    wrote on last edited by Yveaux
    #1

    Hi everyone, I just finished to build a Mysensors DS18B20 node, everything is working fine with sending, but now I wanted to power my device with batteries and I discovered that the node is drawning 3mA current in sleep mode, this is really too much for a battery device, I tried to include the "Low-power" library, but it seems that it's not compatible.
    Did somone ever had such an issue with the power consumption on Mysensor battery powered node ?
    I'm not using a Nano, but directly a ATMega328 chip, with a NRF24L01+, two AA batteries.

    Thank you

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    • D Offline
      D Offline
      David Muller
      wrote on last edited by
      #2

      Hi, I finally solved the issue, the node takes about 0.02mA in sleep mode, the problem was located on the nrf24L01+, I had a 5 of them, and two nrf did the same problem (to much current in sleep mode).
      So I will keep the "hungry" NRF for sector supply nodes.

      Bye

      mfalkviddM 1 Reply Last reply
      1
      • D David Muller

        Hi, I finally solved the issue, the node takes about 0.02mA in sleep mode, the problem was located on the nrf24L01+, I had a 5 of them, and two nrf did the same problem (to much current in sleep mode).
        So I will keep the "hungry" NRF for sector supply nodes.

        Bye

        mfalkviddM Offline
        mfalkviddM Offline
        mfalkvidd
        Mod
        wrote on last edited by
        #3

        Great that you found the problem @david-muller, thanks for reporting the solution.

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