Here is a useful tutorial from Logic Supply on how to set up the embedded watchdog timer on your BeagleBone Black.
Computers running critical applications, often need a way to be reset if an unexpected event causes the system to become unresponsive. Getting a computer back up and running in a remote location can be costly and frustrating. The BeagleBone Black is being used in more applications, and (unattended) situations where an occasional reset may be required from time-to-time. Fortunately, there is an easy way to do this!
A watchdog timer is a circuit that requires a periodic ‘wake up’ signal or else it generates a reset pulse.
(Feed-me or I will bark!).
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