DIY Automatic Fish Feeder

This is my DIY Automatic Fish Feeder that i have created to feed my KOI.

I used  an Arduino Uno, a stepper motor driver chip  and a stepper motor.

The system is powered by a 5 volt power supply.

A plastic bottle has been used as the food container.

The food is driven to the pond by a modified drill bit attached to the stepper motor.

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