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技术资料 基于单片机的称重装置在电梯系统中的应用
本文阐述了轿厢的称重原理以及种类,提出现有的称重方法及设备在电梯运行中存在的弊端及隐患,提出将单片机植入称重装置,改变称重方法,精确负载重量,提高电梯对负载测量结果的准确性,保证电梯的运行安全。This paper expounds the weighing principle and types of the car, and proposes the existing weighing methods and ...
软件工程 The LM158 series consists of two independent, high gain, internally frequency compensated operatio
The LM158 series consists of two independent, high gain,
internally frequency compensated operational amplifiers
which were designed specifically to operate from a single
power supply over a wide range of voltages. Operation from
split power supplies is also possible and the low power
supply cu ...
技术资料 SLX-8MG-1_datasheet[1]
8 Gigabit ports for 10/100/1000 Ethernet links
4 advanced combination ports accept copper RJ45
or noise-immune fi ber optic links up to 80+ km
Fully managed w/ advanced features and security
Flexible mounting on DIN rail or direct to panel
Truly rugged design for -40 to +75° C operat ...
其他书籍 IEEE 802.11d-2001, Amendment to IEEE 802.11-1999, (ISO/IEC 8802-11) Information technology--Telecomm
IEEE 802.11d-2001, Amendment to IEEE 802.11-1999, (ISO/IEC 8802-11) Information technology--Telecommunications and information exchange between systems--Local and metropolitan area networks--Specific requirements--Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specificati ...
单片机编程 基于MPC555与CS8900A的以太网扩展设计
 
 介绍了MPC555与CS8900A扩展以太网的硬件设计图。以NUCLUES PLUS操作系统为基础，介绍了网卡软件驱动程序的编制，给出了以太网协议包嵌入NUCLEUS PLUS操作系统的实现方法。
Abstract:
 The Ethernet extension hardware design of MPC555 and CS8900A are introduced,and the software driven program ...
系统设计方案 ST7787 芯片的SPEC
ST7787 芯片的SPEC，比亚迪2.4inchLCM的SPEC。The ST7787 is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 720 source line and
320 gate line driving circuits. This chip is capable of connecting directly to an external microprocessor, and accepts Serial
Peripheral I ...
书籍 QOS-Enabled Networks
Quality of Service ( QoS ) has always been in a world of its own, but as the technology
has been refi ned and has evolved in recent years, QOS usage has increased to the point
where it is now considered a necessary part of network design and operation. As with
most technologies, large - scale deploy ...
技术资料 LLC电路基本原理分析及公式推导(ST)
Simplified Analysis and Design of Seriesresonant LLC Half-bridge Converters MLD GROUP INDUSTRIAL & POWER CONVERSION DIVISIONLLC series-resonant Half-bridge: operation and significant waveforms• Simplified model (FHA approach)• 300W design example
技术资料 SLX-10MG-1_datasheet
n 10 ports including
p 7 fast Ethernet 10/100 RJ45 ports
p 1 Gigabit Ethernet 10/100/1000 RJ45 port
p 2 Gigabit combo ports for copper or fiber
n High port count in a small footprint
n Truly rugged design with -40 to 75° C operation
n Easy to configure management functions
技术资料 RTOS数据采集系统中实时处理与高速性的设计考虑
本文在将嵌入式RTOS（Real Time Operation System）与传统顺序编程进行比较的基础上，提出了将嵌入式RTOS 运用于数据采集系统中的设计。该设计必将大大提高数据采集系统的实时处