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I noticed the same issue on my machine, what speed/acceleration speed settings did you use in the end?

After understand how the optical calibration works, now it rocks! I was able to calibrate all the nozzle, with a different setup of the video processing effect and slighly changing the vision table (I didn't use the alternate function, so I inserted smaller diameters). Would you be so kind and shar...

What ballpark accuracy should I expected from optical home dot calibration and a fully calibrated machine (squareness, slack compensation all enabled)? I ran the following test: home machine (first limit switches then optical homing dot recognition) move head to some place in the middle of the table...

Small update to make this work with Eagle 7.6.0 and liteplacer Version: 1.0.6151.32041, build date: 03.11.2016 17:48:02 The bottom side ULP flips Y values by turning positive values negative and negative values positive as workaround for this bug with board origins in board center: https://github.co...

First tests of optical fiducial recognition show that "try it anyway" seems to work in most cases

After reading http://www.liteplacer.com/select-a-table/ I figured that a black table with a matte surface would be best suited for the down looking camera as it would provide best possible contrast for white tapes and any color PCBs. Unfortunately the chinese cameras make that a very bad choice. The...

Thanks, I will try, test and report back.

We are using PCBs from https://oshpark.com/ - they are purple and very glossy. Two layers of diffusion on the down-looking camera still create a significant reflection: diffusion-camera.jpg Is there a way to manually lower the brightness (exposure time, gain or aperture) of the camera some way? Has ...

Btw I just noticed from your pictures that you have your vaccuum pump attached differently than the original instructions: http://www.liteplacer.com/finishing-ste ... -mounting/
Having the electric contacts facing outside makes much more sense, making that flip with my machine now as well.

Excellent, thanks!