Keep tabs on your car without OBD-II

March 16, 2010 By 33 Comments

[Steve] let us know about his MultiDisplay car monitoring system. Unlike traditional systems that rely on interfacing with the OBD-II protocol and existing car computer, the MultiDisplay uses an Arduino and custom shield with a combination of sensors; including temperatures, pressures, throttle, Boost, and etc. The data collected can then be displayed on a 20×4 LCD or streamed to … Read the rest

Filed Under: Arduino Hacks, transportation hacks Tagged With: , , , , , , , , , ,

Laser raygun boasts 300mW, hunts Klingons

October 18, 2009 By 39 Comments

laser-ray-gun

Phasers come with two settings: stun and kill. [Luke] took this seriously when he put two Blu-ray lasers into a toy raygun. He picked up the toy from Amazon for about twenty bucks and set to work.

The laser diodes are both pulled out of a 6x BD-R burner, which we think is a pretty expensive source to scavenge … Read the rest

Filed Under: laser hacks Tagged With: , , , , , ,
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