License: free

It became necessary to create a filament counter for your 3d printer. During the writing of the program, I created a new multiplication node. I used the hall sensor and the ssd1306 LED display on the i2c bus .
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This node multiplies all 4 digits (a*b*c*d).
To use the nodes in your project you should have the maksimbaturin/filament-counter library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.