RollJam — $30 Device That Unlocks Almost Any Car And Garage Door

We have talked a lot about car hacking. Recently researchers even demonstrated how hackers can remotely hijack Jeep Cherokee to control its steering, brakes and transmission. Now, researchers have discovered another type of car hack that can be used to unlock almost every car or garage door. You only need two radios, a microcontroller and a battery, costing barely under $30, to

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