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frequentmeter
- 本设计是基于MCS-51单片机的等精度频率计。输入信号为峰峰值5v的正弦信号，频率测量范围10HZ~100MHZ ，频率测量精度为0.1 。采用1602液晶显示器显示测量结果。信号源由PROTEUS 的虚拟信号发生器产生。-The design is based on the MCS-51 microcontroller, such as frequency meter accuracy. Input signal 5v peak to peak sinusoidal signal, frequ