Problem
I cannot make the touch work on my macbook when using an i3boardv06. Or the calibration is not correct.
Solution
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install UPDD 06 00 667+I3 on macbook. Follow the link to choose your driver: https://docs.i3-technologies.com/i3BOARD/drivers
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you can modify calibration via: APPLE > Displays > Display > Resolution > Scaled
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choose the resolution as close as possible to your projector’s native resolution.
make sure the aspect ratio from your projector is set to its native aspect ratio.