Hi! I'm intrigued by your statement about SBCs. Do you have a link to learn more about them? I've seen someone have intimate contact with Beckhoff PLCs and the

Hi! I'm intrigued by your statement about SBCs. Do you have a link to learn more about them? I've seen someone have intimate contact with Beckhoff PLCs and the upgrade story isn't great, plus using git with it tends to be painful, and writing modular code seems so too. It would be great to learn about an alternative that's more hackable. Thanks!