Well of course it is going to depend on the complexity of the project, but lets assume the most basic of projects for a dashboard.
Honestly I’m not sure without some experimentation, because I don’t have an intuitive sense as to how lean a stripped down Linux installation will run. I would like to see 512mb, but it wouldn’t surprise me if you could get away with less.
Sorry for the equivocation, this ultra-low end is somewhat new territory.