SPWM逆变器设计_电气工程毕业论文格式范文_论文天下 关键词：逆变电源；正弦脉宽调制；光电隔离；单片机8051；数码管显示 [gap=1803]Keywords: inverter；SPWM；Optical isolation；8051； LED
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...警；数码管显示 [gap=898]89S52 microcontroller; temperature measurement; DS18B20; sound and light alarms; digital display ...
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基于无线的数据传输系统_电子信息工程毕业论文_毕业论文天下网 关键词：单片机；数码管显示；红外通信；编解码 [gap=1135]Key words：MCU; LED display; Infrared communication; Code and decode
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介绍了一个数码管显示数字仪表表盘读数的自动识别系统。
An automatic recognition system for characters on numeric meter dial plate displayed by LED is introduced.
具有12位LED数码管显示，可分别显示电压、电流、计数值。
With 12 LED digital display, can show the tube voltage, current and count value.
楼层信息由一个74ls48译码芯片驱动的共阴极的数码管显示。
The floor information is displayed by the figures tube of the total cathode that is drived by a 74ls48 code chip.
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