Hello, I'm thinking of starting a new project in the IoT field. What should I pay attention to during the development process? What should be the general strategy for hardware selection? What methods do you prefer for data collection and processing? What aspects do you particularly emphasize in terms of security? What would be your general approach? Could you talk about the methods you use?
What approaches should be tried when starting an IoT project?
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Is this your first IoT project, huh? The best thing is to start with the simplest thing so you don't drown: an ESP32 with basic sensors (temperature, humidity) and a local broker (Mosquitto) is more than enough to gain experience. How about you try a prototype on a breadboard first before getting into hand-designed PCBs?