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A comment on A method for improving Milky Way exposures in light pollution. Parent comment

Re:A method for improving Milky Way exposures in light pollu... by hxtk on Tuesday September 12, 2017 @09:01AM (#15226896)
Have it trigger on a voltage threshold. 3 phase means you're hitting 0V 6x per cycle so that'd bring the pwm up to 720Hz.
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