IR Z Probe 1.3

Discontinued IR Z Probe 1.3

Note: These have been replaced by our newer and improved v1.4 IR Z Probes, here.

These 3D Printer Z-Probes use modulated infra-red LEDs to accurately detect proximity to the print surface, allowing for automatic bed-levelling while printing.

Compared to mechanical probe solutions - such as a servo and microswitch - these boards have the advantage of requiring no moving components, weighing less, and having a higher degree of repeatability and reliability. Compared to inductive or capacitive probes, these boards are not dependent on the material of the print surface, and will even work on glass. Combined with a high degree of immunity from background IR sources, these boards are ideal for nearly any printer build.

We've designed these boards to couple to a standard 30mm fan - this means they're immediately compatible with all E3D-V6 and Lite6 HotEnds, mounting directly to the fan with no modification or adaptor necessary. Additionally, these boards use the same cable as most mechanical PCB endstops, making swapping your Z endstop out for an IR probe quick and easy.

To mount to a printer without a suitable 30mm fan, all that is required are two screw holes. These should be spaced 24mm apart horizontally, and at a distance of 22mm above the tip of the nozzle. See the attached mechanical drawings for further information.

These probes will trigger at a distance of 3mm from the print surface. Recommended mounting height is that the bottom edge of the PCB be 1-2mm above the tip of the nozzle, and the probe's Z-offset can be tweaked in firmware to achieve the desired bed-levelling results.

These boards can connect directly to a RAMPS control board, taking the place of the Z endstop. A 100cm long cable is included with each board.

For more information, including setup details for Marlin firmware, check here.

Specifications:

  • Dimensions: 30.00x23.75mm
  • Weight: 2.5g (excluding cable)
  • Trigger distance: 3mm from edge of PCB
  • Trigger Repeatability: 0.005mm (5µm) Standard Deviation
  • Included Cable Length: 100cm

These probes are based off of David Crocker's differential IR height sensor here.

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  • Product Code: IR-PROBE-1_3
  • Availability: Discontinued
  • $39.95
  • Ex Tax: $36.32