To use the Power Deliverer you'll plug in your PD supply USB C cable to the HUSB238 (the white cable in these photos).
Plug in the second USB C cable to the Feather.
Plug in a DC barrel plug for the powered device -- the fan in these photos.
Select a higher or lower voltage with the two lower buttons (+/-) on the left side of the device. To set that voltage, press the top button.
The current draw is displayed in the lower section of the screen.
Should the USB PD supply become unplugged the screen will let you know to re-insert the plug.
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