Jan McL Posted January 16, 2011 Report Share Posted January 16, 2011 http://arstechnica.com/apple/news/2011/01/project-hijack-uses-iphone-audio-jack-to-make-cheap-sensors.ars Hijacking Power and Bandwidth from the Mobile Phone's Audio Interface - Integrated Prototype "Project HiJack is a hardware and software platform for enabling communication between a small, low-power peripheral and an iDevice. The system uses a 22kHz audio signal, which is converted into 7.4mW of power at 47 percent efficiency. That power runs a TI MSP430 microcontroller as well as any attached electronics, and allows the HiJack to communicate with an iOS application. The components to build a HiJack cost as little as $2.34 in significant quantities." -- Jan Quote Link to comment Share on other sites More sharing options...
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