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Has anyone got the Bltouch auto level sensor working on Delta printer with RAMbo controller, running Repetier firmware. I tried finding info about it on the net, but was unable to get anything.
Any info will be greatly appreciated, so I can get this setup going on my ROSTOCK V1.

Hey since you havent gotten a response you I thought I would hop on and share what I was told about it. I posed a similar question about the bltouch cause i really wanted that set up (post here http://forum.seemecnc.com/viewtopic.php?f=36&t=12183) but it seems that as far as hooking up a bltouch it would only help with manual calibration as the RAMBO board does not support auto-calibration. Check out the post for a little better of an explanation, wish i could help more but it looks like to get the most out of a bltouch you have to upgrade to a better control board like the duet wifi
-dan

Additionally, a BL touch or other offset probe is a major disadvantage when attempting to calibrate a delta. If there is a dip, or other non-linearity in the bed or motion, an offset sensor will move that over by whatever the offset is, meaning that instead of compensating for errors, you move them, and potentially increase them in size. As such, nozzle contact probes, such as strain gauge (Duet Smart Effector), Force sensitive resistor (Ultibots), Accelerometer (HE280), or Piezo based probes (experimental, you can find them on the forums here), are HIGHLY recommended instead of the BLtouch or other such solutions. (even if you could calibrate for the offset, if it were a motion innacurracy, it may only exist with the effector at that position, instead of with it where the probe head is, and the errors cannot be told apart by the sensor and calibration. Additionally, effector tilt is exacerbated by the offset of these styles of probes)