I follow you on Twitter! I'm sure you don't remember me at all but I spoke to you briefly at one of the Maker Fairs nearly a decade ago and I've seen you at a few of the Open Hardware Summits. Not that you need to hear it from me but keep up the good work.
I'm also excited about the OSHWA certification. I've found a bunch of great projects through it.
I've been passively watching ROS but it's always seemed a bit heavy weight for a lot of the things I'd want to do or for what's available cheaply right now. I'm sure this will get easier as full Linux systems will become cheaper and more ubiquitous for embedded applications.
I haven't seen microROS, though, so thanks for the link, I'll check it out.