Simple microcontroller-based frequency meter measurable frequency 1HZ-10KHZ, the precise rate of 1 , the duty cycle can be displayed. Measurable square, triangle, positive Xuan wave. Which contains the schematics and source code, very useful, you can refer to reference

我的频率计2\History
...........\PCB1.PcbDoc
...........\frequency2.c
...........\yuanlitu.SchDoc
我的频率计2

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