I looking at the feasibility into designing a mechanical clock driven by a stepper motor with no escapement as I'm after a true sweeping second hand. I would like to be able to correct the time with something like this - Ultra-precise Real Time Clock - v2.1 ( ChronoDot - Ultra-precise Real Time Cloc…

stepper driven mechanical clock with RTC

LarryD January 7, 2013, 11:17pm 2

Light beam or Hall effect sensor

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