Hacked Gadgets Forum

November 25, 2011

Automatic Dogfeeder Project

at 7:42 am. Filed under DIY Hacks, Electronic Hacks


If you have animals, feeding them is a boring daily routine. This Automatic Dogfeeder Project allows you to load a big hopper full of food and program when it should do your dirty work. Future plans for the design include adding wireless capability to the feeder.

Via: Embedds

“The plan was to make an autonomous dogfeeder using an Atmel AVR microcontroller, a cereal dispenser, a DC motor and some electronics. The feeder should be able to feed the dog three times a day at preset times, which could be set by the user. The approximately correct amount of food would be dispensed by turning the dispenser propeller for a certain amount of time. I made test runs to find out for how long the propeller should rotate in order to dispense a correct amount of dry dog food. The correct amount should of course also be adjustable in case different types of dog food dispensed differently.


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4 Responses to “Automatic Dogfeeder Project”

  1. George Johnson Says:

    Don’t you love your dog? I love mine.

    I actually like feeding my dog. She’s so funny. If I feed her first, and she knows I’m eating something, she’ll not eat, waiting to see what I have, and how much she’s getting.

    But, while I’m eating, if I ask her “did you clean out your bowl?”, she lets out this incredible banshee howl the deaf kids on Mars could hear (she’s a coon hound).

  2. Martin Lim Says:

    very nice project. I thought of building something similar to feed my dog when I am away.
    But I am worried that the motor might clog up, and risk my dog starving.
    any comments.

  3. Alan Parekh Says:

    Hey Martin,

    Stick an IP camera in your house looking at the food so you can give it a quick look once a day and call someone if there is a problem.

  4. Claudio Donaté Says:

    Hello friend.

    I thinking about doing something similar for my dog. I would like to know how did you manage to attach the motor shaft to the dispenser?

    Thank you very much!

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