![]() ![]() Through the app, they can set up groupings of lights for specific rooms, create schedules and select pre-set lighting themes. “Let’s say you set up the system and have it for a couple weeks,” Joseph explains, “but you continue to use the light switch to turn it on and off it will learn ‘this is when these sets of lights are usually off or on,’ and it would keep that pattern.”īut homeowners can always use the Stack app to override the automation-even enhance it. If the presets aren’t a perfect match, the Stack’s artificial intelligence will learn an individual’s patterns and adjust the bulb's schedules accordingly over time. And, because the bulbs won’t burn when they’re not needed, Joseph estimates that his system will cut lighting costs by up to 80 percent compared to other LEDs. Joseph believes Stack’s presets will work for 98 percent of users 98 percent of the time. The scheme is based on years of research at Thomas Jefferson University and various lighting companies. In the morning, the light will take on a blueish hue, which helps your body wake up in the evening, it will be warmer-red or yellow-to soothe and relax you. The Alba also knows the time of day and adjusts the temperature of the light to sync with the body’s natural circadian rhythm. The motion sensor will make sure the lights are on when someone is in the room, while the ambient light sensor dims or brightens the bulb based on the current lighting conditions in the space. From there, the bulbs and hub use their collective smarts to start automating themselves.Įach LED contains a circuit board with a microprocessor, wireless radio, motion sensor and ambient light sensor. ![]() Users screw the LEDs into their light sockets (for now the bulb fits into standard recessed lights, but other styles, including the ubiquitous Edison-style are coming) and plug the Stack hub, a small box continaining a wireless radio that connects on the popular ZigBee home-automation standard, into their wireless router. The key difference between Alba and other smart bulbs is how easy it is to set up and use. Alba, he says, is the first “responsive” light it uses embedded sensors to adjust itself based on current lighting conditions and whether or not people are in the room. Connected LEDs like the Philips Hue rely on a user to schedule their on and off periods, and automated systems only exist on the commercial scale and cost tens of thousands of dollars.Īt the TechCrunch Disrupt conference in San Francisco, Joseph unveiled Alba, the first bulb from Stack, the company he left Tesla to found last October. “Why aren’t these lights adjusting themselves, the way our phones and TVs do?” he thought.Īfter searching high and low for a bulb with that kind of smarts, Joseph came up empty. The wide-open office was flooded with sunlight, yet the overhead lights were running at full blast. Neil Joseph was sitting at his desk in the Tesla Motors's Silicon Valley office a little over a year ago, when something started to bother him.
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