工业标准通讯OPC协议的客户端测试源代码-OPC industry standard communication agreement client source code testing

MOD标准通讯协议格式, MOD标准通讯协议格式-MOD standard communication protocol format,MOD standard communication protocol format

国家电力行业标准， 多功能电能表通信协议(DL/T 645 Multi-function watt-hour meter communication protocol)

1. 单片机为STM32F051 2. 485通讯式倒计时 3. 协议符合倒计时标准“GAT 508-2004 道路交通信号倒计时显示器”(1. MCU is STM32F051 2.485 communication countdown panel 3. agreement conforms to the countdown standard "GAT 508-2004 road traffic signal countdown display")