wipy as a wifi device sensor
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@koesper No, this 'promiscuous mode' is theoretically possible with the chip, but not implemented in the firmware yet. Maybe it will be at some point, but there are no concrete plans yet.
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@ralph Allright, that is unfortunate, since then the device could be used for keeping track of how many 'people' (wifi enabled devices) are at a certain location. Perfect for crowd control at venues, shopping streets, etc. Sounds like a killer app to me!
My alternative is a Raspberry pi3 + LoRa shield, but that is a much bigger package, more expensive, and needs a lot more power. -
I agree @koesper, it would be a very nice feature. I'll make sure they'll take your feedback into consideration at the embedded department.
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My alternative is a Raspberry pi3 + LoRa shield, but that is a much bigger package, more expensive, and needs a lot more power.
Can you explain how it would work?
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I actually leaved WiFi scan solutions, since the devices needs to be unblocked and not in any stand-by mode in order to prompt WiFi probe.
I found something more interesting using, a camera and OpenCV + RaspberryPi.
It can count people easily, and it's quite easy to set up, and cheap of course!
Giulio
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@bmarkus I have now used this solution for my wifi sensor : https://github.com/larsjuhljensen/phatsniffer
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@koesper I have now used this solution: https://github.com/larsjuhljensen/phatsniffer works great and very cheap Pi ZeroW + ESP8266 ... really pitty the WiPy is not yet able to do promiscious mode... the LoPy would be an excellent LORA sensor tracing wifi and bluetooth enabled devices in remote areas or smart cities ...
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@hugo said in wipy as a wifi device sensor:
@bmarkus I have now used this solution for my wifi sensor : https://github.com/larsjuhljensen/phatsniffer
How to use LoRa for this application?
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Hi All,
Awesome to see that there are multiple people interested in this problem. Hopefully enough so that it becomes a high priority for Ralph and colleagues!The raspberry+cam 'footfall' solution wont work for me because the area to be monitored is too big, and probably will take too much power to run from a battery for a few days.
The 'phatsniffer' device (a raspberry zeroW + ESP8266 pHAT WiFi) looks promising, especially since Hugo already got it to work! But adding LoRa to this looks challenging (and expensive)
A 'normal' raspberry 3 (+ lora shield) looks problematic, since the broadcom chip doesnt do promiscuous mode either according to this
Damn, a LoPy really really really looks like the best solution.. if Ralph is able to convince the developers to add the functionality.
Do you need help to convince them? I could swing by Eindhoven for a chat? -
@bmarkus no LORA in this solution... it is a double wifi solution one connected to a known wifi and one used in promiscous mode listening to all traffic...
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Any news about this wifi possibility ( WifiBeacon ) Cisco Meraki is using this technology for large deployment of iot sensors
https://lnkd.in/gPCrjbN and http://beaconsgalaxy.com/beacon-et-wifi-ou-lavenir-des-espaces-connectes/
Jiemde
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