I covered the flashing of the devkit and pre-reqs on the PC in my acticle on teaching your pi to sniff - https://github.com/mcalisterkm/teach-your-pi-to-sniff-with-bme688 Follow the "README" by scrolling down - Steps 1 to 4 are probably relevent, the rest are Raspberry Pi focussed. This was done using BSEC 2.4.0.0, so you will need to adapt when using BSEC 2.5.0.2. Regards Keith
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