pic16f877开发串口的代码，还有用turbo c编译的上位机的上位机代码。,pic16f877 serial code development, as well as with the turbo c compiler PC code of the host computer.

MTK UART通用蓝牙传输接口，适合新手参考-UART Universal Bluetooth Communication Interface

OPC UA作为opc规范的新方向，使得自动化系统构架更加开放、便捷。-OPC Unified Architecture.pdf

IEC62056通信协议黄皮书，黄皮书是与测试有关的内容。 This document describes the DLMS/COSEM conformance testing process developed by the DLMS UA. The main elements of the conformance test process are:-the conformance test plans the conformance test tool (CTT) the