The L3GD20 is a low-power three-axis angular rate sensor. This is the module I bought for reference More information can be found at http://www.st.com/content/st_com/en/products/mems-and-sensors/gyroscopes/l3gd20.html about the sensor Features Three selectable full scales (250/500/2000 dps) I2 C/SPI digital output interface 16 bit-rate value data output 8-bit temperature data output...