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Useful modding - a spectrum analyzer + clock. We came across two 5x8 LED matrix, virtually occupying five-inch drive bay, and I decided to make a spectrum analyzer based on their sound.

很好的一个东西，希望对大家有所帮助，这是关于DS1302的一个程序(Good thing, we want to help, this is a program on DS1302)

利用正则表达式实现将C++代码转换为html页面并对不同类别关键字高亮显示。编译时需boost/regex库支持。(Use regular expressions to achieve the C++ code into a html page and highlight the different types of keywords. When compiling boost/regex library support.)

利用ULN2003A进行驱动，产生PWM波，里边有照片，可供参考，通过本例程了解PWM 的基本原理和使用 (#include <reg52.h> unsigned char timer1 sbit PWM=P1^2 void system_Ini() { TMOD|= 0x11 //PWM TH1 = 0xfe //11.0592 TL1 = 0x33 TR1 = 1 IE =0x8A } main() { system_Ini() while(1) { if(timer1>100) timer1=0 if(timer1<30) PWM=0 else PWM=1 } )

介绍了一种SPI从机的接口verilog编码(verilog code for spi slave )

1、栏目无限分类，自由添加，排序，前台显示 2、各大搜索和站内搜索随意切换 3、网站在线提交、后台审核、编辑、删除 3、站点相关信息后台动态配置 4、自助网站收录，后台审阅 5、网站广告在线发布后台登hh陆:admin/deep_login.asp 用户:admin 密码：admin(1, columns unlimited classification, the Liberal added, scheduling, showed two prospects, major search and random searches Station 3 switching, Site Online submission, background vetting, edit, delete three, site background information related to the allocation of four dynamic, self-help website recorded. 5 background scrutiny, for the advertisement posted online background Teng Lu hh : admin/deep_login.asp Users : admin Password : admin)

感应电动机的启动小程序，可以模拟启动过程，自动计算启动的参数，帮助初学者理解感应电动机的结构(Induction motor start-up small program that can simulate the boot process, automatically calculates the start parameters and Help beginners understand the structure of induction motor.)

说明：  温湿度串口检测程序，实现对数据的读取和检测(Temperature and Humidity Serial Port Detection Program for Data Reading and Detection)

$regfile = M8DEF.dat internal crystal 8000000 Config Lcdpin = Pin , Db4 = Portc.1 , Db5 = Portc.2 , Db6 = Portc.3 , Db7 = _ Portc.4 , E = Portd.2 , Rs = Portd.3 Config Lcd = 16 * 2 Config Timer1 = Counter , Edge = Rising Ddrb.1 = 0 : Portb.1 = 1 PULL UP RESISTOR ACTIVATED Config Timer0 = Timer , Prescale = 1024 Enable Counter1 Enable Interrupts Enable Timer0 Enable Timer1 On Ovf1 Pulsecount On Ovf0 Ovf0occures Dim A As Long , I As Long , B As Byte B = 0 Cls Start Timer0 Do Loop End end program Ovf0occures: Incr I If I > 30 Then Stop Timer0 Cls : Home A = B * 65536 A = A + Counter1 Lcd FREQ IS : A HZ B = 0 I = 0 : Counter1 = 0 Start Timer0 End If Return Pulsecount: Incr B Counter1 = 0 Return

web漏洞扫描 web安全检测 网站检测(web vulnerability scanning web security testing)