Automatic chicken coop door powered by arduino
As Farm Hackers Louis, RJ and Ben work on the Wireless Greenhouse Monitor project, which is powered by an open-source Arduino circuit board, we have come across yet another great use for the Arduino on the farm:
Check out this Instructable for an programmable, self-locking chicken coop door, whose Arduino microcontroller tells the unit under what conditions to open and close the coop. It’s just one of many possibilities for open source electronics project on the farm.

