So we designed a special driving circuit of FED with some single electronical elements.
2
LED数码显示管可以显示数字或符号,通常用来显示时间、速度、系统状态等。
The LED digital tube can display the numeral or sign, and it is usually used to show time, speed, the system's state etc.
3
在人机互动方面,采用改进型I/O端口复用键盘实现用户数据输入,使用两位数码显示管完成温度数据显示。
In the aspect of man-machine communication, we use the improved reused keyboard of I/O port to implement the users' data input, and displaying the temperature by two numeral displayers.