SubPos: A non-GPS based local positioning system
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SubPos is a WiFi-based local positioning system designed using PIC microcontrollers and ESP8266 modules by Blecky on Hackaday.IO.
SupPos uses ESP8266 modules for position triangulation
SubPos
SubPos is an indoor positioning system that can be used in various environments such as metro lines, shopping malls, carparks, art galleries or conference centers, essentially anywhere GPS doesn’t penetrate. SubPos defines an accurate method for subterraneous positioning in different environments by exploiting all the capabilities of Wi-Fi. SubPos Nodes or existing Wi-Fi access points are used to transmit encoded information in a beacon frame that is utilised for position trilateration.
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