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GSMbasedshortmassages
- 短信的发送需要GSM模块和处理器协作完成，GSM模块与ARM处理器通过串口连接，处理器向串口发送接收AT命令与GSM模块形成通信回路。中文短信的发送采用PDU模式，根据PDU模式标准形成PDU发送包，实现短信发送。本文根据无线电话项目的短信发送模块的实现开发流程编写-Send text messages need to GSM module and processor collaboration, GSM module and the ARM processor through the seri
the-cp243-Ethernet
- the cp243 Ethernet configuration must use to configure the PC / PPI cable, PC / PPI cable connected computer a string Mouth, the other end to connect the serial port on the CPU-the cp243 Ethernet configuration must use to configure the PC/PPI cable
fieldbustutorial
- Field bus is the name of a family of industrial computer network protocols used for real-time distributed control, now standardized as IEC 61158.A Field bus is a digital, bidirectional, multi-drop, serial-bus communication network.Replaces the existi
serial-mux
- RIL SIMCOM300+gprs+TCP连接步骤-SIMCOM300+gprs+TCP connect step
CH340SER
- Driver to connect usb serial cable to windows 7