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    7040 CPAP blower and Duet 2 wifi

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    Duet Hardware and wiring
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    • janjohundefined
      janjoh
      last edited by janjoh

      I am fairly certain that I have found a thread on this before, but now I can only find on on duet3 using the VFD pin.

      Am I correct in guessing that for the duet 2 I should use a pull up resistor for the signal pin of the pwm input pin on the blower esc and then it should work with the fan pins as they are low side switching?
      Or would it make more sense to borrow a gpio from the expansion port for this application?

      janjohundefined 1 Reply Last reply Reply Quote 0
      • janjohundefined
        janjoh @janjoh
        last edited by

        @janjoh Yeah, After pondering this I think stealing a heater from the expansion connector makes more sense.

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