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Gadget Freak Case 117: Automated Doggy Door Cares for Your Best Friend

By Design News Staff -- Design News, March 16, 2008

The Automated Doggy Door feeds your dog, replenishes his water and lets him out into the backyard. Markus Lutz and his team of students at Colorado State University created this complex system that reads your dog’s collar and opens the doggy door. The door can also be opened by a step switch right in front of the door, so Fido can let himself out (and back in) at will. It closes automatically after 10 sec. The gadget also fills the dog’s food bowl while playing a recording of your voice calling Fido to dinner. The gadget comes with a water bowl mechanism that includes a level sensor and float for automatic water replenishment, so Fido never goes thirsty.

Get the Build Instructions | View Parts List | Post a Comment | Watch the Video | View PowerPoint Presentation

Amt Part Description
4 Microchip 16F88 383-0496
1 Velleman 12 Key Keypad 948-7876
1 Tinsharp LCD 16X2 670-0036
1 8Ω Speaker 623-2142
1 10K Ω Potentiometer 753-1310
3 LED 679-9981
1 SPST NO Switch 948-0134
2 Momentary Switch 683-0100
1 Toggle Switch 870-0579
1 120V ac Valve Solenoid 499-1391
1 9V dc Relay 788-1081
1 9V Battery 737-0530
1 dc Motor 963-0043
1 Power Strip 660-0685
Get build instructions and complete parts list 
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