用单片机的C语言实现的开机时间显示上次关机时间（存在看门狗里），还有显示当前时间。可供单片机程序开发人员参考。...

人的进出门检测 发出语音播报 并有数码管显示商店的总来访人数及剩余人数-Detection of people go into the issue of voice broadcast and digital display stores the total number of visitors and the remaining number of

简单的小程序，实现小灯的动态变化，稍加修改可用在工业控制上-Simple procedures, realize the dynamic changes of small lights, a little modification can be used in industrial control

pcb布线制板的专业指导书，很多经验性的指导，对想从事pcb制作的人很有帮助-pcb board wiring system for professional guidance, and many empirical guidance on the wish of the people engaged in the production of useful pcb

RA8806控制的LCD显示驱动程序。-RA8806 control

本课题所研究的可存储虚拟示波器定位为低档型，即在性能上只需满足大多场合的基本应用，努力实现小型化，价格尽可能低廉，这样在财力有限的小用户（电子爱好者、小型企业）中能够普及，在大用户的使用中发挥便携性强的优势，与高档示波器配合使用，互相取长补短。-Studied this subject can be stored as a virtual oscilloscope-type low-grade, that is, in terms of performance on most occasions, only to meet the basic application, and strive to realize miniaturization and low prices as much as possible so that limited financial resources to small users (electronic enthusiasts, small enterprises) can be universal, in the use of large users to play a strong advantage of portability, high-end oscilloscope used in conjunction with each other.

用单片机产生pwm波形的程序，可以在proteus 下进行仿真-Pwm waveforms generated with the microcontroller program can be carried out under the proteus simulation

LPC214x开发SD卡详细资料，包含源程序-LPC214x development SD card detailed information, including source

浮点除法子程序,可以高效率计算浮点浮点除法,程序短小精干,非常讨巧-floating-point division subroutine, high efficiency calculation float float division, procedures small and lean, very quick and easy

详细介绍了 svpwm 逆变技术的原理及仿真模型，是一片硕士学位论文-Described in detail the principle of SVPWM inverter technology and the simulation model, is a master

200W LED照明系统的电源设计 200W LED照明系统的电源设计-200W LED lighting system power supply design 200W LED lighting system power supply design 200W LED lighting system power supply design,