PiSight is a platform that can analyze the mac addresses of all nearby devices that are wifi enabled. By identifying the nearby devices you can both keep track of inflow and outflow of individuals in networked locations. This is a cheap way for cities or governments to analyze secure locations in cases of emergencies. This technology also has the ability to triangulate locations of wifi enabled devices.
# Technical Specifics: Raspberry Pi. Scripts Programmed in Python. Server ran on a Flask backend with Python scripts to do calculations