无线数字抄表系统由中央处理器、电源模块、通讯模块以及显示模块等部分组成-Wireless digital meter reading system by the CPU, power supply module, communication module and display module and other components

数字频率计的使用源代码，方便学习和参考，有助于理解vhdl语言-The use of digital frequency meter source code to facilitate learning and reference, to help understand the vhdl language