I find it useful to include some project planning sessions before starting something. Like, plan to spend 10 minutes making a spreadsheet with steps you’ll need to do, things you might need to get together, that sort of thing. That’ll help you think through your project and help you with some of the design and implementation of it. And it’ll help you break it down into small steps, which always helps to make it seem less overwhelming. A couple of days spending 10-15 mins a day on planning and you already made a great start. So the next action is to start with the first “real” step you figured out. Maybe that’s ordering supplies. Great, do that and you’ve made some progress.