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

Reply To: Using the Teensy 3.5

Home Forums Other Data Loggers Using the Teensy 3.5 Reply To: Using the Teensy 3.5


    @vogelrnws nice to se the layout. That battery holder looks pretty solid and as you said 2 *12V * 9Ah gives 216WHr of capacity. a LiIon at 4.4AH @ 4V is 16Ah.
    Its great to have a discussion about the mechanical side, what works, what doesn’t work so well.
    Seems like on of the challenges is that uSD is right up against the side of the cabinet – doesn’t appear like it can be easily removed. Would require the Teensy 3.5 to be pulled first.
    I wonder also if there is any protection for static/lightening on the instrument leads. That’s a problem in certain parts of the country.

    The DIN rails take some thinking about. The issue as I see it is how to do assembly simple and reliably. If the screws are inserted from the front, and require a nut at the back to hold it, it can become a challenge for replacement in the field.

    https://www.mcmaster.com/din-rails/ shows some of the options for clips that might solve that.

    For the Mayfly, in the Arduino style of a low cost environment, I’ve been using a plastic polycarbonate bar, and configuring it for the mayfly holes.   Here is a write up .. Bud Ptq 11050 Enclosure