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mouse scroll wheel filament sensor

di yazkili

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A filament sensor, using an arduino pro mini and a mouse wheel.

https://www.youtube.com/watch?v=4YdUj7P4e9M

Pro mini is powered by raw input from printers power supply.

Mouse rotary encoders ground pin (usualy at the middle) to promini's ground...
and two other pins to A0 input..

You have to attach output pins to printers sensor pin and configure the firmware or slicer as needed