Ultimaker 2 Filament Sensor
thingiverse
The Ultimaker 2 Filament Sensor detect problems with feeding filament, such as skids, filament distance and a stuck of filament. The hardware is printed and the electrically parts are standard components. Everything you need is: 2 half usb cables, ~1m, male 6 screws 3x7mm 3 transmissive optical sensors (TCST 2103): http://www.produktinfo.conrad.com/datenblaetter/175000-199999/184250-da-01-en-GABELLICHT_TCST_2103__VIS.pdf and some resistors (150, 330 and 33k3 Ohms worked for me) The dual optical measurement of the filament sensor detects also the direction! How the sensor does this? With a X4 encoding described here: http://www.dynapar.com/Technology/Encoder_Basics/Quadrature_Encoder/ Hack: fix a elastic band onto the roll, so the filament does't slip. Use the standard ultimaker's 2.85 mm filament as a more robust axis. Print Settings Printer Brand: Ultimaker Printer: Ultimaker 2 Rafts: Doesn't Matter
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