
On the PCB alongside a LoRa module is an STM32H7 microcontroller and an ATECC608 secure authentication chip for encrypted messages. It’s designed to form a mesh network, further extending the range across which a group can operate.
We like this project for the quality of the work, but we especially like it for the way it uses the Nokia’s components. We’ve asked in the past why people aren’t hacking smartphones, but maybe we’re asking the wrong question. If the smartphone as a unit isn’t useful, then how about its case, components, and form factor? Perhaps a black-brick Android phone will yield little, but the previous generation such as this Nokia use parts that are easy to interface with and well understood. Let’s hope it encourages more experimentation.
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