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Bike Headlight Projects Your Speed In Front Of You

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This is a video of a bike headlight that projects your current speed on the road in front of you. It was hacked together using a speedometer, a little projector, and a Raspberry Pi computer. As someone in the comments pointed out, i t would be awesome if they can eventually get it to project other info like a little mini-map with your current location and directions to your destination. That would be cool. Plus you could pretend you're playing Grand Theft Auto. You're not though, you're just riding on the sidewalk screaming at people and trying to kick over trashcans.

Hit the jump for a video walkthrough of the setup and some footage of the bike in action.

Thanks to Kristian, who just reminded me I still need to go get a new tube for my front tire because I blew it out jumping a curb on the way back home from a taco truck the other night. The tacos were worth it, just so we're clear.

There are Comments.
  • JJtoob

    To broadcast your speed, just get one of those LED sticks that spin on the wheels to form images. I don't think speed info is that important on a bike, unless you are going very fast. And unless this is a school project or personal challenge, I'd just use a phone to calculate my speed and track me with GPS, and the only thing I'd need is a dynamo or backup battery to keep the device charged. I also rather use real headlights to light up my way than a projector.

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