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Conversation Between JamieGeek and FW28z
Showing Profile Comments 1 to 4 of 4
  1. JamieGeek
    05-11-2017 03:15 PM - permalink
    Very cool. May have to pick up one (or two) of those breakout boards.
  2. FW28z
    05-11-2017 02:23 PM - permalink
    Jamie; I ran across a new product today made by Texas Instruments. It is a 4 channel capacitive sensor, perfect for interfacing an arduino to a tank sensor:


    Digikey has the FDC1004s.
  3. JamieGeek
    10-08-2015 11:30 AM - permalink
    I'm still "stuck" where I was: The next step is to setup at a campground and calibrate the circuit (fill the black tank and see what kind of reading I get when its full).
    This will have to wait for next season as I've just winterized the camper (we drop it off at a Ford dealer to deal with the shifter cable on Monday).
  4. FW28z
    10-08-2015 04:34 AM - permalink
    How you been doing with your tank monitor project?

    I have been working on a microcontroller project and am using an ATTiny85.

    The ATTiny85 might make a great tank sensor as there is no boot up delay with these chips like there is with a typical Arduino microcontroller.

    So they are basically instant on.

    But have an abbreviated command set, so not all functions that you find in a typical Arduino environment are supported. But there are a lot of people playing with these things and someone has a workaround for most of the limitations.

    Nice thing is they are in a 8 pin package, and cost around a buck a piece at Chinese prices.

    The 8 pin package means there are only 5 GPIO, 3 of which can be analog input, and two are PWM. Of course, they can all be used for digital I/O.

    The project I have been working on I'll call a "Toad Management System". I have breadboarded it and tweaked it for the last couple of months. I suppose it might be a bit overkill, but what projects aren't?

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