pos authorities call in the GPRS protocol, we refer to

实现了GPRS串口的通信，缩短串口开发时间。-To achieve the GPRS serial communications, serial port to shorten development time.

基于stm32开发平台的can总线通信，文件里有发送和接收源代码，适合学习stm32和can总线通信的朋友参考

1、php程序，无数据库； 2、输入手机号码的前7位或11位可查询归属地； 3、调用手机在线官方数据，无需维护； 4、DIV+CSS模板方便修改； -1, php programs, no database 2, enter the phone number of the first 7-bit or 11 can be found ownership of land 3, call phone line to official data, no maintenance 4, DIV+ CSS template to facilitate change

文件分区表格式，适合于嵌入式实现的文件分区表-Document partition table format, suitable for the realization of a document embedded partition table

中兴华为手机入门培训教程，这个很难得的，大家多多支持啊-Huawei, ZTE Mobile Getting Started Training Guide

嗨伙计们，这是我第一篇文章，下面是在 C# 中使用串口的基本项目的描述。我创建一个程序，使用写入和读取。与 Texbox 你写任何你想要和点击"发送"，此消息是通过串行通讯 （RS232、 RS485、 RS422，TTL） 发送。每一次，timer1 的事件处于活动状态，将调用 portSerial，并将文本框 （form1 中） 中显示的消息。

华为的td-scdma内部讲义，介绍详细-Huawei td-scdma internal notes, introduced in detail

MOTOROLA D15 MODEN 用户手册-MOTOROLA D15 modem user manual

RFID阅读器设计中的防碰撞算法设计方案。其中有三篇好的论文-Design of RFID Reader Anti-collision algorithm design. Which has three good papers

Polarization beam splitters and 3dB couplers are used to construct a home-made90 ° optical hybrid, by  which polarization diversity optical coherent receiver is carried out with single-ended detection.A10Gb / s oscillation multiplexed differential phase shift keying (DPSK) signal is transmitted through280km Standard single- mode fiber (SSMF) using erbium-doped fiber amplifier (EDFA) amplification, and no error bits are measured in th result.