Arduino Automatic Fish Feeder in Action
I have done this project and it is working now.
I have prepared only 4 cells with food, each time it moves 45 degrees so total is 180 degress. I have put the timing that the food is going out every 1.5 days, so overall this is good for one week vacation.
Of corse you can change the degrees and put more cells in 180 degrees movement
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Links Ebay:
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Buy on Ebay Arduino Nano ESP32: Ebay Nano esp32