设计一个8位数字显示的简易频率计。能够测试1Hz~1MHz方正波信号的频率；电路输入的基准时钟为10MHz，测量值以BCD码形式输出；系统有复位键；-Design a simple 8-bit digital display frequency counter. Able to test 1Hz ~ 1MHz Fangzheng Bo signal frequency circuit input reference clock is 10MHz, the measured value in B

简易频率计实现代码 通信硬件相关实验代码 -Simple frequency counter code communications hardware experimental code

基于FPGA简易数字频率计代码（1997年B题）-Based on the FPGA digital frequency meter code (1997 B)

基于单片机的简易频率计，可测量1HZ—10KHZ的频率，精准率为1 ，可显示占空比。可测量方波，三角波，正昡波.里面包含原理图和源程序，非常实用，大家可以参考参考-Simple microcontroller-based frequency meter measurable frequency 1HZ-10KHZ, the precise rate of 1 , the duty cycle can be displayed. Measurable square, triangle, posit