Matt Richardson's hack displays a moving odometer in real-time.

Matt Richardson has created a DIY project that has combined a speedometer with an ordinary bike light. The Dynamic Bike Headlight uses Raspberry Pi and a compact tiny projector to show the cyclist's speed in real-time.

The nifty hack serves as a good reminder for riders to slow down when they're going too fast, and be more aware of the speed they're traveling. Richardson managed to build the prototype and tested it out on the streets of New York City.

Watch the video below to see how the Dynamic Bike Headlight works. One YouTube user even commented that perhaps the hack can be taken in further and have the light project Google Maps. That would surely be a fantastic feature and one we would love to see.

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