Typically, road rage responses range from a flip of the bird to some gentle highway drag racing. For an enterprising hacker by the name of Gagandeep Singh, however, those on-road hijinks have given way to a more eloquent, albeit LED-lit resolution. Conceived as means of informing errant drivers of their transportation follies, Singh rigged up a 40 x 16 LED matrix display and affixed it to his car’s rear window. Using an AT89C51 micro-controller, hard-coded messages and animations are then fed to the 2cm x 2cm grid, much to the chagrin of reprimanded drivers following close behind. Eventually, this helpful hack’ll hookup with a mobile phone over Bluetooth, delivering real-time updates (and insults?) to the display. Until then, you’ll just have to make due with Singh’s step-by-step DIY at the source. Jump past the break for a scrolling view of this corrective driving tech. Continue reading Rear window LED hack minds bad drivers’ manners, has nothing to do with Hitchcock (video) Rear window LED hack minds bad drivers’ manners, has nothing to do with Hitchcock (video) originally appeared on Engadget on Sat, 22 Oct 2011 07:01:00 EDT. Please see our terms for use of feeds . Permalink