文件名称:Frequency-measurement
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以50 Hz 周波为例介绍了用AT89C51 最小系统实现周波的频率计量及使用4 位液晶驱动芯片
ICM7211AM进行4 位液晶显示控制电路原理和控制程序。-To 50 Hz frequency, an example system implementation using AT89C51 minimum frequency of the frequency of measurement and the use of 4-bit LCD driver IC ICM7211AM for four liquid crystal display control circuit and control procedures.
ICM7211AM进行4 位液晶显示控制电路原理和控制程序。-To 50 Hz frequency, an example system implementation using AT89C51 minimum frequency of the frequency of measurement and the use of 4-bit LCD driver IC ICM7211AM for four liquid crystal display control circuit and control procedures.
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Frequency-measurement.pdf
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