A 3-D Display System and Construction Method Based on MEMS Acceleration and Geomagnetic Sensor

摘要

The paper constructed a 3-D display system which comprised of a ball-like controller, wireless transmitter/receiver, screen and software in host computer . The hard-core of ball-like controller consists of a tri-axial MEMS geomagnetic sensor MXR9500G [2] and a tri-axial MEMS acceleration sensor MMC3120MG [3] afforded by MEMSIC, Inc. in Wuxi, Jiangsu. With the system, when you rotate the ball-like controller, the same action will be reflected in Google Earth in the screen. What's more, if you pat the ball-like controller, the earth in the screen will zoom in, so that you can browse more details. And it'll zoom out when you -shake the controller forcibly. With these functions, the system can display rich and colorful information on exhibition as well as geography teaching aids.