Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water.
New to EnviroDIY? Start here

Solar panel of 12v compatibility with Mayfly

Home Forums Mayfly Data Logger Solar panel of 12v compatibility with Mayfly

Viewing 3 reply threads
  • Author
    Posts
    • #2365
      Luis Andres Guillen
      Participant
        Hello, is it possible to connect the Mayfly to a 10w or 20w solar panel that also has an output of 12volts? or would that be too much and would overcharge the batteries or damage the board?
        Thanks in
      • #2368
        ChanCafun
        Participant
          Hi

          I designed my datalogger using Mayfly with a 4000mAh 3.7 Li battery and a 0.75W 6V solar panel.
          Sleep mode was added.
          The battery can last for 30 days (4.13V drop to 3.7V) without solar panel. If

        • #2369
          Shannon Hicks
          Moderator
            ChanCafun is right, you definitely don’t want to connect any panel to the Mayfly’s SOLAR jack that has a voltage higher than 6 volts. I wrote a post about solar panel options earlier this
          • #2371
            Luis Andres Guillen
            Participant
              Thank you very much for your answers! I understand that I don’t need such a large panel, but that one is already in the field an I could plug into it.

              Would this transformer from 12v to 6v wor

          Viewing 3 reply threads
          • You must be logged in to reply to this topic.