Testing multi-touch in Linux

PyMT is recommended, but it’s old and fails to install, at least on Raspberry Pi OS:

evtest works in the command line, but it’s difficult to follow the output when multiple fingers are in contact with the screen, so the easiest way I’ve found is the “WBBMTT: Web Browser Based Multi-Touch screen Test” @ https://naqtn.github.io/WBBMTT/. I tested it successfully with Chromium running on Raspberry Pi OS in the BTT Pad 7 tablet PC.





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