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    12V LED Strip ond Duet 2 Wifi

    Duet Hardware and wiring
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    • xenon2008
      xenon2008 last edited by

      Hello!

      Can i connect a 12V LED Stripe to a controlled FAN Output?

      I have 24V System, but when i wire +/- from the Controlled Fan Output to to Buck Regulator (12V), and from the Buck Regulator to the 12V LED Stripe, that should work?

      And if yes, what have i to set in the Firmware?

      Sorry for my Bad English, i am a German User with terrible English Skills 😃

      Thanks & Kind Regards

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      • Phaedrux
        Phaedrux Moderator last edited by

        Yes that should work.

        How do you have the buck converter wired up to the fan ports?

        See here for an illustrated example

        Buck converter: https://duet3d.dozuki.com/Guide/Ender+3+Pro+and+Duet+Maestro+Guide+Part+5:+Upgrades/54#s214
        LEDs: https://duet3d.dozuki.com/Guide/Ender+3+Pro+and+Duet+Maestro+Guide+Part+5:+Upgrades/54#s225

        Z-Bot CoreXY Build | Thingiverse Profile

        xenon2008 1 Reply Last reply Reply Quote 0
        • Danal
          Danal last edited by Danal

          Your english seems very good.

          Be aware that the regulator should be in the + (positive) (red) side. The buck regulator should have its own ground, NOT to the fan output.

          The fan output PWM switches the ground - (negative) (black) side. The fan output negative should be wired directly to the black wires from the LED strip.

          @xenon2008 said in 12V LED Strip ond Duet 2 Wifi:

          And if yes, what have i to set in the Firmware?

          Define that fan port as a fan, then use normal fan on, or fan off, commands to turn the LEDs on or off.

          Delta / Kossel printer fanatic

          1 Reply Last reply Reply Quote 0
          • xenon2008
            xenon2008 @Phaedrux last edited by

            @Phaedrux said in 12V LED Strip ond Duet 2 Wifi:

            Yes that should work.

            How do you have the buck converter wired up to the fan ports?

            See here for an illustrated example

            Buck converter: https://duet3d.dozuki.com/Guide/Ender+3+Pro+and+Duet+Maestro+Guide+Part+5:+Upgrades/54#s214
            LEDs: https://duet3d.dozuki.com/Guide/Ender+3+Pro+and+Duet+Maestro+Guide+Part+5:+Upgrades/54#s225

            so far i haven't soldered the buck converter yet because i wanted to ask beforehand

            @Danal said in 12V LED Strip ond Duet 2 Wifi:

            Your english seems very good.

            Be aware that the regulator should be in the + (positive) (red) side. The buck regulator should have its own ground, NOT to the fan output.

            The fan output PWM switches the ground - (negative) (black) side. The fan output negative should be wired directly to the black wires from the LED strip.

            @xenon2008 said in 12V LED Strip ond Duet 2 Wifi:

            And if yes, what have i to set in the Firmware?

            Define that fan port as a fan, then use normal fan on, or fan off, commands to turn the LEDs on or off.

            I don't quite understand that now ...

            I have a 12V Fan connected with a Buckregulator as described here
            b7cd84df-cc90-4c73-bb5e-9433ea67c5dd-grafik.png

            how do I have to attach the LED strip where exactly or the buck converter?

            Kind Regards

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            • Danal
              Danal last edited by

              Buck regulator input + (red) to + of an always on fan outlet on the Duet.
              Buck regulator input - (black) to - of an always on fan outlet on the Duet.

              Buck regulator output + (red) to the + of the fan itself.
              Buck regulator output - (black) will have no connection.

              Fan - (black) to the - of the controlled fan outlet on the Duet.

              Which Duet board do you have? Duet 2 Wifi? Duet 3 6HC? I will post a wiring diagram.

              Delta / Kossel printer fanatic

              xenon2008 1 Reply Last reply Reply Quote 0
              • xenon2008
                xenon2008 @Danal last edited by

                @Danal said in 12V LED Strip ond Duet 2 Wifi:

                Buck regulator input + (red) to + of an always on fan outlet on the Duet.
                Buck regulator input - (black) to - of an always on fan outlet on the Duet.

                Buck regulator output + (red) to the + of the fan itself.
                Buck regulator output - (black) will have no connection.

                Fan - (black) to the - of the controlled fan outlet on the Duet.

                Which Duet board do you have? Duet 2 Wifi? Duet 3 6HC? I will post a wiring diagram.
                that's exactly how i connected the fan
                and that's exactly how I should now attach the LED bar?

                I have an Duet 2 Wifi

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                • Danal
                  Danal last edited by

                  HugeD2_LI.jpg

                  Delta / Kossel printer fanatic

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                  • xenon2008
                    xenon2008 last edited by

                    Thanks!
                    Thats 1:1 the same as i have it already at my 12V Partcooling Fan 😉

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