Category Archives: Arduino Yun

Alexa Keeps Pet Snake Thermoregulated

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[Chris Grill] got his hands on a pet boa constrictor, which requires a fairly strict temperature controlled environment. Its enclosure needs to have a consistent temperature throughout, or the snake could have trouble regulating its body temperature. [Chris] wanted to keep tabs on the temp and grabbed a few TTF-103 thermistors and an Arduino Yun, which allowed him to log the temperature on each side of the enclosure. He used some code to get the temp reading to the linux side of an Arduino Yun, and then used jpgraph, a PHP graphing library, to display the results.

But that wasn’t …read more

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ArduWorm: A Malware for Your Arduino Yun

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We’ve been waiting for this one. A worm was written for the Internet-connected Arduino Yun that gets in through a memory corruption exploit in the ATmega32u4 that’s used as the serial bridge. The paper (as PDF) is a bit technical, but if you’re interested, it’s a great read.

The crux of the hack is getting the AVR to run out of RAM, which more than a few of us have done accidentally from time to time. Here, the hackers write more and more data into memory until they end up writing into the heap, where data that’s used to control …read more

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