Timers

基于51的C语言频率计，内涵仿真图，以实现空能(Based on 51 C-language frequency meter, meaning simulation diagram, in order to achieve air can)

说明：  CC2530芯片的使用和无线传感器网络的构建——数据收发无线组网实验(The use of CC2530 chip and the construction of wireless sensor network)

　Hittite公司以创新的设计使得其PLL产品性能优异，在相位噪声，杂散方面有着卓越表现，其芯片的高集成度使得外围电路简单，设计方便。所以随着电子技术的发展，对频率源的相位噪声性能要求越来越高，Hittite的低相位噪声PLL，在物理、天文、无线电通信、雷达、航空、航天以及精密计量、仪器、仪表等各种领域里都将大有用武之地。(The Hittite companies with innovative design makes the PLL excellent product performance, the phase noise, spurious aspects with excellence, its high integration chip makes the peripheral circuit is simple and easy design. So with the development of electronic technology, phase noise performance of frequency source is more and more high, the Hittite low phase noise PLL, in physics, astronomy, radio communication, radar, aviation, aerospace and precision measurement, instruments, meters and other fields will be great.)

Springer - WI-FI, BLUETOOTH, ZIGBEE AND WIMAX Wi-FiTM: Architecture and Functions (Springer- WI-FI, BLUETOOTH, ZIGBEE AND WIMAX Wi-FiTM: Architecture and Functions)

温湿度检测 AM32101温湿度传感器 可以检测(Temperature and humidity sensor temperature and humidity testing AM32101)

用循环程序 画用星号* 组成的方框图，可以设置方框的边长大小(Block diagram with an asterisk* cyclic process consisting of paintings, you can set the size of the box side)

基于单片机农作物智能灌溉控制技术 简单易懂程序(Microcontroller-based smart irrigation control technology crops straightforward program)

使用方法： 程序设置了ENC28J60的IP为192.168.0.15，模块通电后与电脑的网口用网线连接起来， 设置电脑的本地IP为192.168.0.**（**自定），网关为192.168.0.15,其他默认，配置 成功后便可以arp或ping模块。 打开浏览器，在地址里输入http://192.168.0.15/123456可打开开发板简单网页，页 面上通过按键来控制开发板LED的亮灭。(Use: setup the ENC28J60 of IP to 192.168.0.15, the module is powered on the computer' s Ethernet port using a cable connection up to set the computer' s local IP 192.168.0.** (** Custom), the gateway 192.168.0.15, default configuration is successful, it will make arp or ping module. Open the browser, enter the address http://192.168.0.15/123456 to open the development board simple web pages, and page keys to control the development board LED light off.)

It can be used to simulate body force in Discrete Particle Model (DPM) in ANSYS FLUENT v14.5

51单片机模拟一个USB键盘的代码，c语言编写的(51 USB keyboard microcontroller code that simulates a, c languages)