With a lot of help from my friend Kalle (actually he did ~95% of the work) we managed to get window automation running.

We haven’t had time to repackage and rewire the control panel so it looks a bit hackish at the moment

The windows are actually controlled from the Beagleboard in the garage over WiFi. The Beagleboard also has an IPv6 address so we are able to directly access it from anywhere in the world even though it sits behind several NAT gateways.

Here’s a high level overview of how the automation is set up at the moment:

And here’s a bit more detailed schematics of how the electronics in the greenhouse are connected: