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.
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.