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    Driving USB LED from duet

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    • Reefwarriorundefined
      Reefwarrior
      last edited by

      Hi all,

      Is it possible to take 5V from the expansion pins; as well as one of the PWM pins and drive a LED (It looks almost like a USB stick with 3x yellow LED's and a little black block saying 150) with varying brightness?

      Tinus

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        Yes, probably. In many ways setting up basic LEDs is the same as setting up a fan. Since duet switches pwm on the negative side you can source your voltage elsewhere and then use a fan or heater pin to control it.

        https://duet3d.dozuki.com/Wiki/Connecting_and_configuring_fans

        In fact if you configure it as an actual fan it can show up as a slider on the web interface for dimming.

        Z-Bot CoreXY Build | Thingiverse Profile

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