This board features the PAJ7620U2 gesture recognition sensor, which can be accessed via I2C. It can recognize 9 different gestures: up, down, left, right, forward, backward, clockwise and counterclockwise circles, and waving. The PAJ7620U2 can also be used to detect objects approaching and moving away. Features - Operating voltage: 1.8 ... 3.3 V - Operating temperature: -40 ... +85 °C - Recognition of 9 gestures - Gesture speed in normal mode: 60°/s to 600°/s - Gesture speed in gaming mode: 60°/s to 1200°/s - Immunity to ambient light: < 100k lux - Built-in proximity detection - Sensor with configurable operating and standby modes - I2C interface up to 400 kbit/s, pull-up voltage from 1.8V to 3.3V - Noise reduction in ambient light - Dimensions (L x W x H): 14 x 14 x 5 mm