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    How many temperature sensors can handle the duet?

    Duet Hardware and wiring
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    • Christoph13524
      Christoph13524 last edited by

      Hi there!

      Right now I have connected 4 PT100 sensors (with 2 PT100-Adaptors) to my Duet Wifi.
      I want to have another temperature sensor connected. I know 4 PT100s are the maximum but there are 3 free thermistor slots --> 1 for the heated bed and 2 for the nozzle heaters. Can they be used or do they interfere somehow with the PT100s and are blocked? So are 7 temperature sensors the maximum for a Duet without expansion board?

      Thanks!
      Christoph

      Printing with an UMO+
      Duet 2 WiFi 1.04

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      • dc42
        dc42 administrators last edited by dc42

        Yes you can still use the thermistor/PT1000 inputs even if you are also using PT100s.

        You could also connect up to another 4 PT100s, by connecting another 2 PT100 daughter boards to the expansion connector just like a DueX board would - as long as you have no other need for the endstop pins on the expansion connector that will be used as the CS pins for the daughter board(s).

        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

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