RTMS设备通讯协议，数据采集保存，对于应用无线雷达测流量数据的可以参考。-RTMS device communications protocol, data acquisition preservation, for the application of wireless traffic radar altimeter data can refer to.

SIMATIC S7系列串行通讯模板的功能描述； SIMATIC S7系列串行通讯模板的ASCII协议通信； SIMATIC S7系列串行通讯模板的MODBUS RTU协议通信；-Serial Communication，CP，ASCII，MODBUS RTU，SIMATIC S7

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")

商用车控制系统局域网络（CAN 总线）通讯协议的应用层—诊断部分(Commercial vehicle control system local area network (CAN bus) application layer - diagnosis part of communication protocol)