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PWM-ULN2003A
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
}
)
- 2013-11-21 15:17:25下载
- 积分:1
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codelock
用共阴极数码管做的密码锁,可修改密码
( this is a codelock )
- 2009-02-28 18:55:30下载
- 积分:1
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CHUANKOU
测控电路实现的是电路的测试和控制,好用请大家光临还有我是新手还请大家多多关照我这个新手(Measurement and Control)
- 2014-11-05 22:23:06下载
- 积分:1
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Springer
Springer - WI-FI, BLUETOOTH, ZIGBEE AND WIMAX Wi-FiTM: Architecture and Functions
(Springer- WI-FI, BLUETOOTH, ZIGBEE AND WIMAX Wi-FiTM: Architecture and Functions)
- 2010-05-23 02:20:38下载
- 积分:1
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适用于AVR系列单片机的几种C语言比较
说明: 使用于AVR单片机的几种C语言,大家可以参考一下,以便以后在AVR的程序编写中提高自己(used in the AVR several C language, we can make reference to the AVR after the procedure to improve their writing)
- 2005-12-17 12:40:39下载
- 积分:1
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Modbus_HoldStart)
modbus通信程序,可用组态软件的驱动程序开发(modbus communication program, available configuration software driver development)
- 2014-02-22 14:42:15下载
- 积分:1
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MultiThreadADO
MultiThread DB - ADO CMTDaoDatabase CMTDaoRecordset
- 2013-12-25 01:26:16下载
- 积分:1
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quxianfly
正弦余弦三角曲线的绘制,用了ListCtrl,Slider等控件,供初学者学习参考.(cosine 1.30 sine curve mapping, spent ListCtrl, Slider, etc. Controls for beginners learning reference.)
- 2006-10-17 14:49:18下载
- 积分:1
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c
说明: 单片机软件仿真开发的硬件级联方式,可用于简单仿真及硬件实现(SCM software simulation developed hardware cascade can be used for simple simulation and hardware implementation)
- 2012-11-18 21:18:37下载
- 积分:1
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LCD
3.2寸宝马LPC1768开发板LED屏的基础代码(3.2-inch BMW LPC1768 development board LED screen based code
)
- 2014-11-18 15:12:17下载
- 积分:1