Hi, I’m Liam. Final-year engineering student and pretty new to all of this. Our lab has a handful of ATmega328P boards and a couple of ESP32s that nobody really uses, and I’m trying to get them sending temperature readings somewhere I can look at the history instead of scrolling a serial monitor.
My thesis will probably be on lightweight encryption for small devices, so expect some basic questions about what these boards can and can’t handle. Mostly reading for now.
Welcome Liam. Get one ESP32 sending one value reliably before you wire up the rest, it saves a lot of confusion later. And no question is too basic here.
If crypto ends up being the thesis, measure what TLS actually costs on your boards before you assume it’s too heavy. An ESP32 holds a TLS connection fine. A 328P with 2 KB of RAM is a different story, and that difference could be a chapter on its own.
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