I followed the trend and kept a tank of fish at home, but I didn’t know that I hadn’t reached retirement age yet. I was so busy every day that I often forgot to feed the poor little fish, so I came up with the idea of making a fish feeding tool. There are similar tools online, but I don’t like their design very much. You know your own needs best, and you still have the fun of DIY.
The first version uses an STC microcontroller, which is extremely simple and low-cost. It mainly solves the structural problems. After more than half a year, it has been running extremely stable and reliable. It’s just that the design interface is not friendly enough
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