Home security is going wireless. Alertme.com has unveiled a ZigBee-based system that lets consumers install home security systems without figuring out where to run wires.
The direct alert system notifies people via text message or e-mail about problems at home. Beyond traditional burglar and fire alarms, AlertMe can send messages when smoke or carbon monoxide alarms go off.
A range of sensors include door and window sensors, motion sensors and alarm detectors that listen for existing smoke or carbon monoxide alarms. These sensors are linked by Ember Corp.’s ZigBee network chips and wireless mesh networking software.
Alertme.com has unveiled a ZigBee-based system that lets consumers install home security systems without figuring out where to run wires.
The first Tacoma Narrows Bridge was a Washington State suspension bridge that opened in 1940 and spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1, 1940, and dramatically collapsed into Puget Sound on November 7, just four months after it opened.
Noting that we now live in an era of “confusion and ill-conceived stuff,” Ammunition design studio founder Robert Brunner, speaking at Gigaom Roadmap, said that by adding connectivity to everything and its mother, we aren't necessarily doing ourselves any favors, with many ‘things’ just fine in their unconnected state.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.