Reverse engineering a wireless protocol Like all good tinkerers, [Andrew] decided to figure out how his wireless security system worked. Yes, it’s an exercise in reverse engineering, and one of the best we’ve seen to date. After breaking out the handheld spectrum analyzer and TV tuner SDR, [Andrew] cracked open a few devices and had a gander at the circuit boards. The keypad, PIR sensor, and base station all used a TI radio chip – the CC11xx series – that uses SPI to communicate with a microcontroller. Attaching a logic analyzer directly to the radio chip and reading the bits directly, [Andrew] started … Read the rest bit.ly/15XVNN2 #Tech #Technology #News #Updates
Posted on: Mon, 01 Jul 2013 11:08:38 +0000
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