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How to Make an Automatic Dog Feeder

I built this so I could leave my dogs unattended for a weekend. The entire build took 3 hours from start to finish. Its not the prettiest but it serves its purpose perfectly.

Each food drop delivers 1 1/2 cups of dog food. This will have to be adjusted for your build and pet.

I used 8″ sanitary PVC pipe for the holding tube and just reshaped one end as a funnel with a heat gun.

I used a parallax homework board for the controller. Download the .bs2 file below.

dogfeeder.bs2 file

I will be improving on this project and tutorial in the near future. The plan is to use a PIC16F877 microcontroller for the final build. Check back for more later!