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Description: AVR单片机的TCP/IP源码-AVR TCP/IP source
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Size: 2850816 |
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Description: 利用ATMEGA128芯片的双串口，UART0连接西门子MC55，UART1连接到RS232，将RS232接收到的数据包，通过MC55自带的TCP/IP栈以GPRS连接到INTERNET，并发送到制定IP地址和端口的主机。开发环境AVRSTUDIO,WINAVR,GNU C++,通过测试。-ATMEGA128 chips using dual-serial port, UART0 connect Siemens MC55, UART1 to connect to the RS232, the RS232 receive data packets through the MC55 comes with TCP/IP stack for GPRS to connect to the INTERNET, send it to develop IP address and port host. Development environment AVRSTUDIO, WINAVR, GNU C++, To pass the test.
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Size: 40960 |
Author: bruce lei |
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Description: This document shows a simple implementation of TCP/IP with atmega64 avr and w3110 chip.
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Size: 83968 |
Author: meh |
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Description: GSM/GPRS TTL -Modem from rhydoLABZ is built with SIMCOM Make SIM900 Quad-band
GSM/GPRS engine, works on frequencies 850 MHz, 900 MHz, 1800 MHz and 1900 MHz. It is very
compact in size and easy to use as plug in GSM Modem. The Modem is designed with 3V3/5V TTL
interfacing circuitry, which allows you to directly interface to 5V microcontrollers( PIC,Arduino,AVR ect)
as well as 3V3 Microcontrollers ( ARM,ARM Cortex XX, ect) .The baud rate can be configurable from
9600-115200 through AT command. Initially Modem is in Autobaud mode. This GSM/GPRS TTL Modem is
having internal TCP/IP stack to enable you to connect with internet via GPRS. It is suitable for SMS as
well as DATA transfer application in M2M interface.
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Size: 542720 |
Author: rasool |
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Description: 现有的传感网络要么通过无线方式要么通过有线方式与传统通信网络相互连接，缺少集有线和无线与一体的物联网网关，不能适应不同需求的专用传感网的扩展。
现有的传感网络多采用ZigBee与感知节点进行通信，由于是一种低功耗、短距离的无线通信技术，其穿透能力及工作环境都受到制约。在实际的农业、工业应用中，传输信号易受干扰，导致通信故障。
发明内容
本实用新型的目的在于克服现有技术的不足之处，解决现有技术中传感网络信息传输效率低以及与传统通信网络连接接口单一等问题，提供一种基于433M、GPRS、TCP/IP接口的多用途物联网网关，实现广域互联，远程控制，节点信息上传，传感网络终端GPS定位等功能。(ommunicate with the sensing node, because it is a low-power, short-range wireless communication technology, its penetration and working environment are subject to constraints. In the actual agricultural, industrial applications, the transmission signal is susceptible to interference, resulting in communication failure.
The contents of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, to solve the problem that the sensor network information transmission efficiency is low and the connection with the traditional communication network is simple, and provide a system based on 433M, GPRS, TCP / IP interface Multi-purpose Internet gateway, to achieve wide-area interconnection, remote control, node information upload, sensor network terminal GPS positioning and other functions.)
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Size: 715776 |
Author: 炼金术师11527
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