Fully Custom Widget | Mosaic

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Hi everyone,

Is there a way to create fully custom widgets from scratch for Mosaic? I'm not referring to the built-in custom widget with its ready-made elements — I mean building something entirely new with custom logic and layout.

Specifically, I'd like to extend the existing Thermostat widget with additional controls and data points, such as:
- HVAC mode selection
- On/Off reg control
- Background color change depending on heating/cooling mode
- etc

Is it possible to build this kind of widget independently and deploy it, for example via FTP?

Any pointers appreciated, thanks!

[Daniel]

We don't support Mosaic any more(only bug fixes) and all our resources are moved to Visu. We highly recommend to make any new project in Visu. The custom widgets are possible but they will work only locally, not in cloud.
Here is the description
https://www.transfernow.net/dl/202606119VOrvrYA