Optical Endstop Switch
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An optical version of a sexbolt switch. Using Optical interrupters instead of a fragile microswitch.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Public Domain
This was an experiment for Klipper's Z Offset Calibration plugin, Turns out it won't work because I'm using a Beacon bed scanner. So I wrote my own plugin called Home_Nozzle
https://github.com/Shinobubu/Home_Nozzle
2 Mounting versions for horizontal and vertical mounting.
Adjust the grub screw to determine sensitivity and then secure it with a M4 bolt. Use thread locker to prevent grub screw from de-threading as this will affect repeatability and measurements.
Circuit board can be flipped around so the wire connection can be placed on the opposite side.
(BOM) Requirements:
- Chicago screws 5x12 (M4) https://www.amazon.ca/gp/product/B0794V6TN2
- M4 grub screws 16mm
- M3 6mm Screws
- 9/32" x ½" Compression Spring https://www.amazon.ca/gp/product/B000K7M36W
- Photo Interrupter Sensor for Arduino (5.9mm gap) https://www.amazon.ca/dp/B08977QFK5?psc=1
- Thread Locker
(BOM) Requirements for Sleeved version
- 5mmx8mmx10 Sleeve Bearings https://www.amazon.ca/dp/B09CD8QSG3
- Chicago Screws 5x20 (M4) https://www.amazon.ca/dp/B0C623L2X2
(BOM) Requirements for Adjustable Mount
- 4mm Rods (precision) https://www.amazon.ca/dp/B0B9K8CSXQ or Clevis Pins (less precise) https://www.amazon.ca/dp/B0816N3GWT
- M3 Grub screws for 4mm Rods https://www.amazon.ca/gp/product/B0BL3HWG7P