The sensor on Crowtail- Gesture is PAJ7620U2 that integrates gesture recognition function with general I2C interface into a single chip. It can recognize 9 basic gestures ,and these gestures information can be simply accessed via the I2C bus. Application: You can use Gesture as an input device to control another Cowtail, or a computer, mobile phone, smart car, robot, and more with a simple swipe of your hand.
Built-in proximity detection
Various main boards support : Arduino UNO/Crowduino/Arduino Mega2560