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Count the number of people around you by monitoring wifi signals
howmanypeoplearearound calculates the number of people in the vicinity using the approximate number of smartphones as a proxy (since ~70% of people have smartphones nowadays). A cellphone is determined to be in proximity to the computer based on sniffing WiFi probe requests. Possible uses of howmanypeoplearearound include, monitoring foot traffic in your house with Raspberry Pis, seeing if your roommates are home, etc. There are a number of possible USB WiFi adapters that support monitor...
APVision is a LAMP (Linux,Apache,MySQL,Perl) application that monitors 802.11 access points (APs) beacons and allows the user to view and associate with an AP using a browser based UI. Works with the madwifi 802.11 driver and Linux wireless extensions. St