L3G3200D is a low-power three-axis angular rate sensor produced by ST company. It has wide voltage input range (2.4V-3.6V), wide operating temperature range (-40℃-85℃), low power consumption, built-in power-down, sleep mode, three selectable full-scale, 16-bit rate value data output, 8-bit temperature data output, I2C/SPI digital output interface, two dedicated lines (1 interrupt, 1 data ready), user selectable bandwidth integrated low-pass filters, user enabled integrated high-pass filters, built-in self-test, built-in temperature sensor, built-in FIFO, high shock survivability, compliant with RoHS standard and “green” requirements. It is mainly used in gaming and virtual reality input devices, MMI (man-machine interface) motion control, GPS navigation systems, household appliances and robotics.