Not only would you need so many, but I would also need it to only run once every two weeks since we are in a drought and have watering restrictions. I guess the idea of this article is not this product but to showcase an application to spark other ideas.
$299 for one sprinker head is very expensive. I would need at least 6 of these for my yard and I don't see myself spending that much. I wonder if they would be able to control costs by using a z-wave controller and the sprinkler as a plain z-wave device. The cost of the wifi, pi subsytems is likely to be the major part of the bom cost.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.