31 Dec '16, 10am

Improving #IoT System Robustness Using Watchdog Timers

Watchdogs come in many different shapes and sizes, but can generally be categorized as simple timers, windowed timers and smart watchdogs. Watchdogs may exist internally to microcontrollers as hardware and software, externally as hardware, and even as separate microcontrollers with both hardware and software components. At the end of the day, no matter which watchdog solution is used, the sole purpose is to monitor and recover the system. To this end, each watchdog has its own unique characteristics and design challenges that developers need to consider for a robust IoT system design.

Full article: http://www.digikey.com/en/articles/techzone/2016/dec/impr...

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via @eetimes

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