Hackaday Prize Entry: A Local Positioning System

Use of the global positioning system is all around us. From the satnav in your car to quadcopters hovering above a point, there are hundreds of ways we use the Global Positioning System every day. There are a few drawbacks to GPS: it takes a while to acquire a signal, GPS doesn’t work well indoors, and because nodes on the Internet of Things will be cheap, they probably won’t have a GPS receiver.

These facts open up the door for a new kind of positioning system. A local positioning system that uses hardware devices already have, but is still able …read more

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