Google took the wraps off a lot of new hardware this week, but one thing it didn't show off was its Android Accessory Development Kit — an angular box that resembles an alarm clock you'd find in a modern art museum.
The AADK is for developers who are interested in building their own Android accessories. As Engadget notes, it's useless on its own, but when you hook the device up to an Android smartphone (via Bluetooth or Micro USB), you can manipulate its many sensors in a number of ways.
If you open it up, you'll find sensors galore: RGB LEDS, accelerometer, barometer, colorimeter, hygrometer, magnetometer, proximity sensor, thermometer as well as a USB port, NFC, Micro USB and speaker.
So, the next time you see that cool smart watch, know that this is the device that the developers used to test and build it.
If Google sold these on the Play Store, I'd buy one just for the funky programmable LEDs, the odd shape and Android controls.
Video of the Android Accessory Development Kit over at Engadget.