This document is for developers of hardware devices which are intended for external control by automation systems, specialized control applications, or hardware controllers, via some sort of wired or wireless connection. Any such device must expose a 'control protocol' which defines the form and meaning of commands and information passing between the two involved parties. This document describes how to create a high quality control protocol, and the considerations thereof.
The information in this document is intended to improve the quality of automation at the most fundamental level, because automation systems are no better than the extent to which they can reliably and conveniently provide control over the customer's devices, and long experience has shown that far too many devices have substandard control protocols.
This document starts out fairly simply and generically, so if you already have some experience in this area, you may wish to skip forward a bit to the more detailed technical sections.
- are located away from the enclosure,
- turn slowly, and
- are controlled by the temperature within the enclosure.
While 93 percent of Facebookers like "Like" buttons at least monthly; the action/commitment means different things to different people. With some, it's merely a way of social bookmarking so they can quickly find the location again.
Companies, brand managers and communications people walk a fine line as they begin to engage more and more with customers and users on a one-to-one basis. But with more than 800M (and counting) Facebookers out there brands simply have to work harder, do more to be Liked ‚Ä¶ and stay Liked.
On the surface, a smart grid system sounds like it has great potential from controlling our appliances and saving us money to keeping the world green. On the other side, we could face security, privacy and health issues. These concerns need to be addressed before we can feel comfortable with the smart grid.
For one thing, it's a heck of a lot cheaper to fill your living room or dedicated basement home theater with top performing surround sound than it is a big movie theater. What's even better, you'll enjoy even greater fidelity and natural surround sound in your home if you get your home surround sound speakers from a dedicated hi-fi speaker manufacturer with a long history of research into loudspeaker design and surround sound setups.
Well, we are getting close to sitting back and enjoying the movie experience in your own home.¬† Just think how much you will be saving on popcorn by not having to take out a loan to see a movie on a commercial theater screen.
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