Mellow LLL filament buffer USB-C mod

Modified Mellow LLL filament buffer files to allow power via USB-C PD
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updated November 24, 2024

Description

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This modification allows the Mellow LLL filament buffer to be powered via USB-C PD using this chip: https://www.aliexpress.us/item/3256803641829293.html. You will need to glue the USB-C PD chip to the bottom of the case and route the power wires from the USB-C PD chip through the now-unused central screw hole in the control PCB (as pictured) and solder them to the control PCB +5V and GND pins (as pictured). 

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Model origin

The author remixed this model.

Introduction | FLY Docs
mellow.klipper.cn

Differences of the remix compared to the original

The Mellow LLL filament buffer is fantastic, but I found myself using it on filament dry boxes, which don't have 5V power supplies, so I remixed the case and buffer files to fit a USB-C PD chip. I have only uploaded the files I modified and you should get the rest from the original site. 

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