是贝能科技有限公司生产的集成LED显示驱动器，具有工作电压低、串行接口、带有64键的键盘矩阵控制等特点。
The integration LED display driver BN5279(A)has many characteristics, such as the low voltage, the series port and the64-key's keyboard matrix.
用程序修改PC高位字节使之与P1口组合实现对多位8段LED显示器的接口，并对P3端口组合实现对键盘矩阵的接口。
Use the procedure modification PC the high a word to makes it combined with P1 to realize to pick up 8 LEDS display and combines to realize to the port of P3 to connect to the keyboard matrix.
戴头盔的人会盯着电脑屏幕，它会反射由不同的字母和符号组成的矩阵行的高光位，这就像屏幕上的键盘一样。
The wearer stares at a computer screen, which flashes highlights over different rows in a matrix of letters and symbols set up like a keyboard on the screen.
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