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Bambuab Y-Splitter AMS Auto Close Switch
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This is a module where ams automatically turns off the spool when filament is inserted into the spool of the Y-Splitter.
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Model information
- Source
- Printables
- Category
- Bambu Lab Parts & Upgrades
- License
- Creative Commons — Attribution
Printed using a tree support.
Wiring was done as follows.
Cut the red line from the 4pin cable and connect it to the COM and N.C of the limit switch respectively.

The AMS will switch off automatically when you insert external filament.
remove the external filament when you want to switch back to the AMS.
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