Arduino Chicken Door

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I wanted a small door to open automatically (via Arduino / morning/night) to the outside world. Doing this would relieve us from worrying if the chickens were safe at night and to be able to leave the house when we wanted) This door will be located on the side of the coop and will slide open (vertically) so the girls can up & down their ladder about 18″ to the ground level. ...

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