Project in progress
Dog Feeder Station

Dog Feeder Station © CC BY

A simple automatic station to feed your pet when you are on vacation.

  • 7,979 views
  • 5 comments
  • 25 respects

Components and supplies

Necessary tools and machines

3drag
3D Printer (generic)
09507 01
Soldering iron (generic)

About this project

This is an automatic feeding machine, to feed my pet when I am away on vacations.

Main Features

  • 2 programmable alarms, that trigger the feeding actuators.
  • Worm gear driven by DC motor to feed the food.
  • Output to connect to 12V water valve (for water also).
  • Food blockage on feeder detection and release routine (protect DC motor + components).
  • Safety error blocking (avoid feeder constantly blocking).

2 Electronics Development

The electronic unit is composed by an Arduino Nano, an RTC module, an ACS712 current sensor, an L298 motor driver, and an LCD screen.

The first development sample was created using perf board and had a considerable size. Then, the second sample was developed.

3 Feeder Development

The feeder system designed was based on a worm gear driven by a DC motor. The first prototype was designed and put to testing. During the initial tests, it showed to be too small for the food size that my dog eats. So a second version of the prototype was made.

Code

DogFeederStation_FPAF104.zipArduino
No preview (download only).

Custom parts and enclosures

HMI Bottom
Helicoid A
Helicoid B
Shaft Connector
HMI Top
t_body_YzzApVGPED.SLDPRT

Schematics

Electrical Schematic
Electrical Schematic
Final Version

Comments

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