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Check out this Smartphone controlled Remote Dog Feeder, it is powered by the Avnet Spartan-6 LX9 that was designed and built by Kevin Keryk, an Avnet engineer. It is build on a wood frame with a battery power supply which is housed in an Altoids tin. The batteries power the Spartan-6 LX9 board and a Digilent PMODCon3 Board. An Ethernet cable plugs the Spartan-6 controller into a port on a router to allow the system to have remote access. A servo is controlled by the Digilent board and this is what actually causes the food to be dispensed. A simple command can then be initiated by a remote device to actuate the servo and feed the dog!
We have seen some other automatic pet feeders in the past. If you are hooked on this one and want to give it a try you can refer to this Avnet reference design.
 Via: HG Forum
