使用msp430芯片设计全部系列数显表的原理图。成熟设计，信号测量采用交流采样，线路特别简单。通讯报警变送等常用功能模块也包含在内-Msp430 chip design using all series digital schematics table. Sophisticated design, signal measurement using AC sampling, line especially easy. Commonly used communications features such as alarm transmission module is also included