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When using the PoE+ HAT with the raspberry pi 4B, would it be possible to use the USB-C port as a power output, rather than a power input, for instance for an extra fan when the GPIO pins aren't available?

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  • Why don't you try it and see? Or even study the published schematics.
    – Milliways
    Aug 13, 2023 at 12:22
  • don't use the RPi as a power supply ... it can easily become an expensive fuse
    – jsotola
    Aug 13, 2023 at 22:53
  • @jsotola then what do you recommend for 2 racks with 2 fans?
    – Rik Schaaf
    Aug 14, 2023 at 9:10

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