Cheap eBay rotary actuator
Added 2022-06-13 13:31:32 +0000 UTCThere are probably many uses for these, and they do operate at 120V with reduced power.
https://www.youtube.com/watch?v=-dVK5JxRTGI
When power is applied to the outer contacts the actuator will wind round 90 degrees and then stop.
