andrewjfreyer / monitor

Distributed advertisement-based BTLE presence detection reported via mqtt

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Trigger mode and beacon mode at the same time

michaelblight opened this issue · comments

I'm using options -tad so I can control the frequency of scans (eg. on camera motion) and minimise interference (although this may have been an issue on a Pi3B+ I'm no longer using and not the 3 Pi Zeroes). Recently I've had a couple of burglaries from outside the house, and wonder if the -b option would help by picking up their phone mac (assuming it's useful to the police). However it looks like using -tad prevents -b from working. Is this a sensible feature request?

I think you should then just disable the -tad flags. I'm not entirely sure if that would then disable other functionality, but from my understanding these flags simply limit the autonomous background scanning.

However for your usecase, aside from things like iBeacons, the identifiers sent out by phones are generally randomized exactly for the purpose of making sure they cannot arbitrarily be tracked. So tracking intruders based on those priniples would not be feasible.
A similar usecase I found some time back was somebody hosting open WiFi guest networks based on locations people are likely to visit (e.g. mcDonalds, starbucks, etc.). If an intruder would autoconnect to those networks you would be able to get some identifiable information out of their device ;)
That does however sound quite far fetched and cumbersome to setup.