LED Lights Track People And Broadcast Messages. Lamps are ubiquitous. Some of them are watching you. By Francie Diep. Published Feb 19, 2014 3:00 AM EST.

Smart lights: New LED lights with sensors raise privacy concerns 04:09. While more people and places are switching to energy-saving LED light bulbs, a California company has found a way to turn ...

He got a few cheap warm white LED lights from the Internet and went about wiring them together. For the controller, an ESP8266-1 was used as well as a 12 volt constant-current buck converter.

When the tag reaches the end of its functionality, it detaches from the whale and floats to the surface where it emits LED lights and a GPS tracking signal to guide scientists to its location for ...

It also features an accelerometer and a 3-color status LED. The Tag is tied to the SmartThings ecosystem and supports geo-fencing features, so it works alongside a user's smart home appliances.

Cree, the LED company best known for their $10 LED bulb, has had a busy year. After releasing the Cree LED bulb in 40W- and 60W-equivalent models, the company went on to ship a high color accuracy ...