Display the letters by swing portable device on which Accelerometer and LED are mounted. The letter could be changed or programmed by the final user.

通过挥动手持设备实现在空中显示文字。用户可自己编写显示的文字。

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Additionally, the device employs LED arrays and display various information with Chinese Characters, and provides a user-friendly interface.

此外，该装置还采用了发光二极管阵列，用汉字显示各种信息，提供了友好的人机交互方式。

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It USES PC to transform Chinese character interior code in the sentence to dot matrix display data and send them to LED display screen through serial device.

利用pc机将汉字语句汉字内码转换为点阵显示数据，通过串行口送给显示屏。

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