@tinkergnome: OK, so ... 1. Designed a very simple bracket to fix the filament monitor on the back of UM2 (... yes I'm NOT a designer so ... if somebody do better ... is welcome ). You can find HERE 2. Used the original cable and connector. Just rearranged the pin order on the connector, side UM2 (on the top first row of J23 you have, from left to right, pin 5, 3, 1 which are PC7, +5V, GND, which are, on filament monitor, red, white, black). See 1st image. 3. Fixed the "filament monitor brac
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