附录二…23附录三…24基于51单片机的LED点阵显示屏设计摘要本次设计的核心模控制块所用的芯片型号是STC89C52单片机，我们使用4块带锁存功能的串并转换芯片74HC595外加NPN三极管作为16×16LED点...

Based on LabVIEWMeasurement and Control Technology and Instrument,Measuring 2014 class Wei Cai LianSupervisor Gan Yong-jingAbstractThis topic to STC15 single-chip microcomputer as ...

押，在资金储备方面也是一大硬伤，导致补网部分未成功及时运行，GLONASS还称不上全导航定位。该系统同样是24颗卫星构成，不同点在于只有三项轨道，民用指标不是很高仅仅为50米，基本可以满足需...

AbstractSince people have the concept of 'residence',lock has been inseparable from people'slife.The first mechanical locks were simple and convenient,and could satisfy people's ne...

目录滴要，Abstract.........................................5第1章绪论.61.1课题的提出以及意义.61.2国内外发展状况.…61.3课题可行性论证结论..71.4本文所完成的主要工作.7第2章抄表系统总...

ABSTRACTIn the 21st century,our people's life has also entered a well-off society.With the improvement ofliving standards,I chose some common life gases in my graduation project,am...

finally completed the design of the room security alarm.In this design,the alarm circuit hassimpler structure,reliable control module,better performance/price ratio and ability to ...

盒饭自动装餐生产线的自动落盒及传送装置设计摘要随着市场增加的越来越多，每个行业都在想办法在保证产品质量的前提下降低生产成本，提高生产效率，这里就包括盒饭的生产过程，传统的依靠人工落...

图书馆照明系统设计摘要：图书馆是高校中学生学习殿堂，每天都有大量的学生在此进行学习和资料的查询，这就导致图书馆内的照明系统几乎每日从早到晚处于运行中。目前，大部分图书馆采用的照明系...