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energy management; and heating ’
Engineers sometimes joke that a cable is a source of potential trouble connecting two other sources of potential trouble. Now, with low-cost, easy-to-use RF systems on chips, you can eliminate that intervening cable in many limited-distance applications. These applications include situations in which it would just be nice to avoid a cable, such as between a handheld control box and the unit it is managing, and those in which a cable would defeat the application, such as with a remote-keyless-entry (RKE) lock for a car or house. In many ways, though, cheap and easy RF links are enabling new applications that are sometimes possible, but usually impractical, with wired links. Read the rest of this entry »
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