Description: 这是一个用于油田电表抄表的程序；能够发送手机短信，使用SQLSERVER数据库储存数据；使用pcomm通讯控件控制无线调制解调器，调用AT指令集。正在现场运行，极有应用价值。-This is a meter used for oil field meter reading procedures capable of delivering a phone message, using a database storing data SQLSERVER PComm communications control to control the use of wireless modems, call the AT instruction set. Were at the scene running, there is a strong application value. Platform: |
Size: 1899520 |
Author:人民币 |
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Description: zigbee初级培训资料，讲述了:什么是zigbee；短程无线网络标准；zigbee与IEEE 802.15.4；zigbee的协议栈；频带和数据传输率、信道；zigbee的拓扑结构和网络设备类型；zigbee的应用案例简介（包括：结合GPRS的传输网络、油田油井遥测、石油石化应用、管道监测、远程抄表、水文水利、交通控制、医疗设备、点餐系统等）-zigbee initial training information about: What is zigbee short-range wireless networking standard zigbee and the IEEE 802.15.4 zigbee protocol stack bandwidth and data transfer rate, channel zigbee topology and network equipment type zigbee application cases Introduction (including: the transmission network with GPRS, remote oil wells, petroleum and petrochemical applications, pipeline monitoring, remote meter reading, water hydrology, traffic control, medical equipment, ordering systems, etc.) Platform: |
Size: 1807360 |
Author:Hank |
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