techtronic3d on instagram created an automatic pet feeder to make sure his adorable Chihuaha never misses a meal, Via Raspberrypi.com
The Raspberry Pi Pico is programmed to activate a stepper motor at Píkíta’s preferred meal times, rotating it for the duration necessary to dispense the exact right amount of food into her bowl.
Riciery determined the right duration by activating the motor then counting how many seconds it took to fill the dog bowl to the right level. He then fed [LOL] this information into his MicroPython code. You can tweak the code very easily to adjust the food quantity and feeding frequency for any pet.
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