Operation and Installation of the Generic Filament Runout Sensor in Ultimaker Boards

1 · Anson Liu · March 20, 2023, 3:42 p.m.
A common filament runout sensor design sold online has 3 pins but their functions are not always labeled. The sensor has a 3 pin JST-XH 2.5mm header that you would normally connect to an identical 3 pin port on your printer controller board. It’s plug and play if your controller board was designed to accomodate filament runout sensors with the same 3 pin header. The Ultimaker Ultimainboard controller board used in the Original+ and 2/2+ does not have a labeled 3 pin JST-XH header for filament ...