thesh4d0w
Joined 7 years ago
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Joined 7 years ago
5v power supplies are easily available, Meanwell is a popular & reputable brand. The same psu can run your lights and microcontroller.
Storing it in the firmware would mean every user has the same key. Storing it in eeprom means a factory reset will clear it. This allows me to ship hardware with the default key on a sticker on the side, and let's a non technical user reset it back to that if they need to.
It gives you a 256bit block to work with - https://docs.espressif.com/projects/esp-idf/en/stable/esp32/...