Cerevellum Bike Computer Does It All, Including Video From Behind
Soon you'll be able to set up a computer network on your bicycle that's just downright useful. The Cerevellum's main unit mounts front and center on your handlebars, and then you plug in USB modules that give you GPS capability, heart rate readings, and even the amount of energy you're expending pedaling that bike. Heck, it even gives you eyes in the back of your head.
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