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    Expansion Breakout Board to Duet Wifi

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    • r123undefined
      r123
      last edited by

      Already have a Duex connected to the large connector of Duet Wifi.

      Is it possible/OK to wire intelligently an Expansion Breakout Board (to get differential driver outputs) to the smaller connector on the Duex Wifi (Steppers 10 and 11, next to the Panel Due connector)??

      connectors.png

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      • r123undefined
        r123
        last edited by

        hey guys, I'm still stuck on this. It's not clear from the Documentation (https://docs.duet3d.com/Duet3D_hardware/Duet_2_family/Duet_Expansion_Breakout_Board_ ) what the expansion breakout board uses by way of Input. It's not clear what the chips are on the board.

        DO they just use pins like +5v, +3v, STEP, DIR... that I can take from the small connectof (steppers 10/11 etc) above? Or do they require the full-on MISO/MOSI stuff?

        I feel the need, the need for speed!

        jay_s_ukundefined 1 Reply Last reply Reply Quote 0
        • jay_s_ukundefined
          jay_s_uk @r123
          last edited by

          @r123 have a look at the schematic here https://github.com/Duet3D/Duet-2-Hardware/blob/master/Duet_Expansion/Expansion_Breakoutv1.1/ExpBreakoutv1.1_Schematic.pdf
          theres no SPI etc is just enable, step (pulse) and direction

          Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

          r123undefined 1 Reply Last reply Reply Quote 1
          • r123undefined
            r123 @jay_s_uk
            last edited by r123

            @jay_s_uk Awesome. So it' just 5v/GND and the STEP/DIR inputs. Worst case scenario I can hook up with a handful of female-female breadboard connectors from the Stepper10/11 connector on the Duet Wifi.

            Thanks a LOT!

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