The core of data transmitter is MSP430F149 SCM, which can realizes the data communication between PC and electric meter reader by three communication methods.
数据转发器以MSP430F149单片机为核心，它能通过三种通信方式实现主机与电表抄表器的数据通信。
For the problems of the existing meter reader systems, the paper introduces a water amount centralized reading system with low cost, high performance, fault detection and several reading modes.
鉴于现有抄表系统存在的问题，本文提出了低成本、高性能、具备故障检测和具有多种抄表方式的水量集中抄表系统。
In just a few years, every door lock, card reader, video camera, vehicle, power meter, and light switch will have an IP address — at least in the business world.
数年之内，至少在商业领域，每一个门锁，每一个读卡器，每一个摄像头，电表，甚至是电灯开关都会被赋予一个IP地址。
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