Live Kobo Drawing Sync to Desktop via Browser

benkaiser · 09-26-2023, 08:47 AM

I hacked together a basic canvas drawing website that allows you to draw using the built-in beta web browser and live-share it to another computer. This is primarily useful for using your kobo as a whiteboard in a Teams/Zoom meeting.

The source code for the server is on GitHub.

I'm also hosting an instance of it at kobo.kaiser.lol.

To use it on two devices, you need to use the exact same URL to be in the same room. When you visit the homepage, it'll redirect you to a 4 digit room with /r/<number> at the end of the URL. The easiest way is to visit the homepage on your kobo device, then enter the same URL onto your desktop computer.

There are a bunch of limitations currently, that anyone is more than welcome to help out with contributions on GitHub:

Sometimes when drawing, the webpage will decide to zoom which messes things up. The best resolution in this case currently is to reload the page as state is stored.
Using the rotate function on desktop is useful for viewing a landscape-created drawing on an Elipsa 2E, but drawing from the rotated computer is completely broken due to the CSS used to perform the rotation.
Full screen mode has no way to bring back the toolbar, you just have to reload.

elinkser · 09-26-2023, 04:35 PM

This worked great on my Clara HD with my cheap Android phone running Fennec!

readthinksurvive · 09-27-2023, 02:24 AM

this is cool

09-26-2023, 08:47 AM	#1
benkaiser Junior Member Posts: 2 Karma: 10 Join Date: Sep 2023 Location: Gold Coast, Australia Device: Kobo Elipsa 2e	Live Kobo Drawing Sync to Desktop via Browser I hacked together a basic canvas drawing website that allows you to draw using the built-in beta web browser and live-share it to another computer. This is primarily useful for using your kobo as a whiteboard in a Teams/Zoom meeting. The source code for the server is on GitHub. I'm also hosting an instance of it at kobo.kaiser.lol. To use it on two devices, you need to use the exact same URL to be in the same room. When you visit the homepage, it'll redirect you to a 4 digit room with /r/<number> at the end of the URL. The easiest way is to visit the homepage on your kobo device, then enter the same URL onto your desktop computer. There are a bunch of limitations currently, that anyone is more than welcome to help out with contributions on GitHub: Sometimes when drawing, the webpage will decide to zoom which messes things up. The best resolution in this case currently is to reload the page as state is stored. Using the rotate function on desktop is useful for viewing a landscape-created drawing on an Elipsa 2E, but drawing from the rotated computer is completely broken due to the CSS used to perform the rotation. Full screen mode has no way to bring back the toolbar, you just have to reload.

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09-26-2023, 04:35 PM	#2
elinkser Groupie Posts: 187 Karma: 146236 Join Date: Oct 2022 Device: Kobo Clara HD	This worked great on my Clara HD with my cheap Android phone running Fennec!

09-27-2023, 02:24 AM	#3
readthinksurvive Connoisseur Posts: 72 Karma: 21840 Join Date: Dec 2021 Device: kindle oasis; kobo elipsa/libra; SNA4X	this is cool