A watering controller that can be home networked using an Arduino

A couple of weeks ago, I published a great little controller module that provided 6 relays able to be controlled from a computer via a network.  After I published it, I got to thinking that the same basic design, with a couple of changes could be pressed into service as a garden watering system controller.  So, I got to work, modified the design, and here you have it...  A sprinkler controller that runs by ...

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