Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
BIQU MicroProbe V2's detection signal requires a strong pull-up. Some processors have weak internal pull-up capabilities, so it is recommended to connect the MicroProbe SIGNAL and GND wires to Z-MIN / Z-STOP instead of the dedicated PROBE port.
Note: This issue does not seem to be consistent, even when using the same type of motherboard across different builds, so it could be due to different V2 revisions/manufacturing.
Requirements
BIQU MicroProbe-based config
Benefits
Users will be alerted to potential issues when using the dedicated PROBE port instead of Z-MIN/Z-STOP ports with a MicroProbe.
Related Issues
No related issue, but this has come up across several Discord servers & Facebook groups many times now.
Description
As the warning states:
Pulled (and tweaked) text from the MicroProbe manual.
Note: This issue does not seem to be consistent, even when using the same type of motherboard across different builds, so it could be due to different V2 revisions/manufacturing.
Requirements
BIQU MicroProbe-based config
Benefits
Users will be alerted to potential issues when using the dedicated PROBE port instead of Z-MIN/Z-STOP ports with a MicroProbe.
Related Issues
No related issue, but this has come up across several Discord servers & Facebook groups many times now.