Use chip: the MCU + MPU6050 Power supply: 3-5v (internal low dropout regulator) Communication: serial communication (baud rate 9600,115200), the IIC communication (read only raw data) Module size: 15.5mm * 11.5mm*2.54mm Direct Data: YAW ROLL PITCH Heading angle ( YAW ) +- 180 [deg.] Roll angle ( ROLL ) +- 180 [deg.] Pitch angle ( the PITCH) +- 180 [deg.] Angular resolution 0.01 [deg.]