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Old 05-15-2017, 02:32 PM   #122 (permalink)
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You could mount the servo on to the flap

Stepper will also work but servo is better suited for the application i think. It is absolute position control vs relative. With the stepper you either need a limit switch or you need to force stepper several steps over open an close, making it skip steps so that you get an absolute position reference.
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