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2GHZ_Frequency_Counter
- 等精度频率计 理论上可测16M赫兹频率,但proteus仿真频率过高软件会报错,因此做板才能体会,另外附加了直接测量法的程序,方便做比较-Precision frequency meter theoretically measurable 16M Hz frequency error, but proteus simulation frequency is too high software, so do the board can appreciate, with an additional