As a manager, one of the most important things you can do is schedule regular 1 on 1's with the people who report to you. Both "The Manager's Path" and "Behind Closed Doors" stresses this.
In about 4 months, it'll be helpful to review PG's essay, Maker's Schedule, Manager's Schedule
Right now, you'll be coding most of your time, but you'll soon have more and more meetings. MSMS names the feeling of frustration around meetings, and describes how to handle so many meetings.
I've read the MSMS essay a few years ago, but had completely forgotten about it. The scheduling problem is actually something I've been struggling with the past few months in the run-up to this new role. When everything is urgent and you're the only one who can fulfill certain data requests, it's difficult to maintain progress on your own projects.