[Tomte]

No, it couldn't. It's image-based. Your application is the development environment. That's the point of Smalltalk.

[klibertp]

But it does, apparently: https://github.com/pharo-iot/PharoThings

EDIT: Nope! I was wrong, see comment below. It promises Arduino support but via some firmware with Pharo itself still running on the desktop.

[detaro]

That runs the VM on the embedded Linux computer, and provides remote access to the development tools/an API to run development tools against.