Duet3D Logo

    Duet3D

    • Register
    • Login
    • Search
    • Categories
    • Tags
    • Documentation
    • Order

    Designing own expansion card

    Third-party add-ons
    2
    2
    337
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • Vuokko
      Vuokko last edited by

      Hello!

      I'm designing add-on card. My feature list is quite short:

      • Measure chamber temperature
      • Measure VIN voltage
      • Measure total power usage from energy meter
      • Control chamber lightning

      Those features are pretty much done. Now it is only task to hook up with Duet. I'm using Maestro version.

      I think SPI is way to communicate. But what device to emulate on my MCU? And how to see those measurements on DWC?

      1 Reply Last reply Reply Quote 0
      • dc42
        dc42 administrators last edited by

        The Maestro already measures the VIN voltage. It also has an extra thermistor input (4 in total), so you can already measure chamber temperature.

        To control your LEDs, if it is just one single colour LED string then if you have a spare extruder heater output or fan output, you can use that.

        If you do need to communicate with another board, then I suggest you use either the I2C pins or the UART pins on the expansion connector.

        HTH David

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

        1 Reply Last reply Reply Quote 0
        • First post
          Last post
        Unless otherwise noted, all forum content is licensed under CC-BY-SA