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LC meter using a 89c2051 micro chip, easy to do,nice function.
another LC meter using a p16f628 single chip,it work well for measure LC.
this is the sample file for displaying data on lcd for energy meter for pic microcontroller
A digital fi‘equeney meter designed with FPGA development software Q-~us 11 is introduced．The 1 Hz—l MHz input measured ...
a simple implementation of a frequency meter with the BCD-counter and the 7-segment LED display
Dutch Smart Meter Requirements v2.2 定义了IEC 62056和M-Bus的具体应用，非常有助于对AMR系统的理解
Labview编写的Agilent系列功率计(power meter)驱动.适用机型E4418/E4419.
利用荷兰Philiphs 公司生产的工业嵌入式微处理器芯片87LPC768 设计一台数字式相位计、数字式频率计，测量精度可以达到10μS，内含看门狗时钟电路、双比较器，其使用具有结构简单、使用方
php ajax 上传文件源码下载 This is an AJAX upload progress meter for PHP. The code is released under the GPL.