3d printed fish feeder system with food basin, electronic housing with red button on top and servo attached on the side. A pile of food is coming out of the 3D printed fish feeder mechanism. In the middle of the picture is a can of goldfish pellet food. On the right is a hand interacting with a propped up cell phone, setting a time.

In some cases each day responsibilities, like feeding animals, can sense like a serious chore. To assist with relieve the mundane facets of everyday life, [Erik Berglund] has produced an automatic fish feeder, finish with 3D print information, firmware, and an Android app for entire command over scheduling and feeding.

The mechanics of the fish feeder consist of a screw conveyor process that pushes the foods pellets fed from a food items retail store basin. The screw conveyor is driven by a Feetech FS5106R servo which supplies sufficient force to conquer jamming that may possibly manifest with pellets getting stuck in the conveyor method. [Erik Berglund] writes that the technique can dispense about .9 g/s and that it’s made for granulated food items, as flakes have difficulties because “their minimal density and substantial surface area place are inclined to get them caught in the throat of the hopper” — an situation that we’ve seemed into earlier.

[Erik Berglund] utilized [coberdas]’s fish feeder as the foundation, upgrading it with a much better servo, adding a Raspberry Pi Zero W along with software program for the Pi and an Android application to control the plan of feedings. There’s also a DS1307 serious time clock module to hold precision time and a push button for “manual” feeding. If you are wanting to observe together at household, you can find the Python scripts that operate on the Pi and the supply code for the Android software in their respective GitHub repositories.


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