this post was submitted on 16 Apr 2021
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Weylus lets you use your tablet as input device on your computer. The screen is mirrored and things like pressure sensitivity as well as multi touch is supported. Like this you can easily start drawing or handwriting on your computer using your tablet.

Weylus only needs to be installed on your computer, NO apps are required! You can just connect your tablet to your computer via browser.

Weylus

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[–] [email protected] 3 points 3 years ago

I use it often, it's a great tool! Of course the latency problem exists but maybe it will get better.

[–] [email protected] 2 points 3 years ago (1 children)

Looks like there's a lot of latency

[–] [email protected] 4 points 3 years ago* (last edited 3 years ago) (2 children)

Some numbers I can give you: X11 Screen capture: ~1ms VAAPI video encoding + capturing: ~12ms NVENC video encoding + capturing: ~10ms End to end video latency over WiFi to iPad: ~50ms (Measured by taking a photo of both screens with a timer running)

Tested on a Dell XPS 15 with a screen resolution of 1920x1080.

On Android devices you can reduce the latency brought by WiFi by using USB tethering or adb, see the FAQ.

[–] [email protected] 1 points 3 years ago

Oh neat, thanks

[–] [email protected] 1 points 3 years ago (1 children)

How's the input latency to the main screen only? It seems like it mainly lags on the tablet screen.

[–] [email protected] 1 points 3 years ago

Yes you are right, input lag is definitely lower. I don't have numbers though as it is kinda hard to measure.

[–] [email protected] 1 points 3 years ago (1 children)

It reminds me of spacedesk, a tool wich you can use to turn your phone into a 2nd display, with touch imput

[–] [email protected] 1 points 3 years ago (1 children)

Yes, Weylus is very similar but open source and works on Linux :)

[–] [email protected] 2 points 3 years ago

Say no more, I'm going to giv it a try

[–] [email protected] 1 points 3 years ago (1 children)

I'm curious what are you drawing in. As I understand it's not some part of weylus?

[–] [email protected] 2 points 3 years ago (2 children)

Yes, that's correct. Weylus itself is only responsible for input and screen mirroring. The program you can see in the GIF is Xournal++.

[–] [email protected] 2 points 3 years ago

Now I saw that you wrote about that in your README.md. You did great job on that btw. There is ton of really usefull and important information. Big thanks for that :)

[–] [email protected] 1 points 3 years ago

Okay. Thanks :)