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Not sure you'd need a gimbal if you could use an IMU.
https://maker.pro/raspberry-pi/tutorial/how-to-interface-an-imu-sensor-with-a-raspberry-pi
ππ¨ππ‘
Bit of a long shot but Iβve got a project in mind that Iβd really love to try using a Piβ¦
Some historical (and a couple of existing edge case) aircraft used a navigation system that triangulated position by locking onto stars optically and comparing it with a clock. It was all very analog but essentially a bunch of cameras on a gimbal and a very archaic computer acting as a sextant.
It pre-dates gps and is quite handy for if and when gps isnβt available.
From what I can gather, most of these systems had about 60 stars pre-programmed but you could go much higher than that, trivially now.
Purely as a hobby project, I canβt stop thinking of making one of these on a pi and using a small array of cameras. It should work completely offline (not reliant on cloud ML services) for months on end and be as hardware agnostic as possible. As a starting point, I was thinking of looking at Astroberry for the star tracking aspect but it might be a bit heavy handed. The complexity is definitely weighted in the optical/pattern recognition stuff, im guessing. And also the hardware with the camera array will be a fucking ballache, but itβs doable, right?