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Ok, I got a Chinese 17" LCD monitor with USB touchcreen. Max resolution is 1280x1024.I use Raspberry 3 Model B with Raspbian OS.

Below are the result from lsusb

Bus 001 Device 005: ID 0930:6544 Toshiba Corp. Kingston DataTraveler 2.0 Stick (2GB)
Bus 001 Device 004: ID 0eef:0001 D-WAV Scientific Co., Ltd eGalax TouchScreen
Bus 001 Device 006: ID 6901:1224  
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

I can touch it, and it respond, but the position is very wrong. The question is how to calibrate it for touchscreen bigger than 7" ?

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Seems the answer is in here : https://www.raspberrypi.org/forums/viewtopic.php?f=91&t=78805

And now it works for me :)

  • -1 It would be better if you could have outlined a summary of what was needed to be done here. – SlySven Dec 21 '18 at 20:12
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I have 7" eGalaxtouch screen. Operating system Raspbian Stretch. My way to calibration is demonstrated in video https://www.youtube.com/watch?v=pChXP9ECa74

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    We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed. Please take the short Tour and visit the Help Center to see how things work here. – Ingo Dec 21 '18 at 19:40
  • Although the questioner answered their own question themselves with pretty much a link only answer (which I have just -1 ed) it is not recommended because links can rot and then - with no idea what the solution might have entailed - the answer becomes useless... – SlySven Dec 21 '18 at 20:14

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