Arduino Interrupts

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On Monday, September 8, 2014, I gave a presentation on Arduino Interrupts.  The powerpoint presentation is available here
Code for the examples:

During and after the presentation, there was discussion about how long you could sleep using a timer or watchdog interrupt.  It turns out that the 8 second watchdog timer is the longest you can go.  I am working on an example of a tight loop of 8 second sleeps to achieve a 1 hour sleep before reporting accumulated results to the network.

 

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