外部计数+显示程序 功能： 单片机外部输入脉冲信号，定时器参与计数 计数值由数码管显示出来。...

威帆电子的精密时钟SD2303的读写程序-Granville sails of the sophisticated electronic clock read and write procedures SD2303

Mifare1 S50 IC卡密钥替换工具，用作卡初始化-Mifare1 S50 IC card key replacement tools, used for card initialization

bu shi hen hao bao han yi xia-hen hao bu shi yi xia Jane han

DS18b20d的c51程序的若干个函数 包括： //延时子程序//读温度//DS18B20初始化程序//读一个字节//写一个字节//键盘扫描程序//主程序-DS18b20d the C51 process a number of functions including:// Delay subprogram// read temperature// DS18B20 initialization procedure// read one byte// write one byte// keyboard scanner// main program

SY1126开发板测试程序。 51系例单片机的最小系统 有AT89S8252/AT89S51/52的在线下载功能 IIC总线芯片为24C02,记存密码-SY1126 development board test procedure. Example 51 Department of the smallest single-chip systems have AT89S8252/AT89S51/52 online download function for IIC bus chip 24C02, keep password

51单片机的中断内容汇总归纳，尤其适合于初学者。-51 MCU as the interruption of the consolidation, especially for beginners.

本实验实现PS/2接口与RS-232接口的数据传输， PS/2键盘上按下按键，可以通过RS-232自动传送到主机的串口调试终端上（sscom32.exe）； 并在数据接收区显示接收到的字符。 串口调试终端的设置：波特率115200，一个停止位，无校验位。 -Realize this experiment, PS/2 interface with RS-232 data interface, PS/2 keyboard to press the button, through RS-232 automatic transmission to the host serial debug terminal (sscom32.exe) and data receiving display received characters. Serial debug terminal settings: 115200 baud rate, one stop bit, no parity bit.

通过AD0809将输入的模拟量转化为数字量， 通过调节电位器来改变模拟电压输入，通过数码管显示电压的变化-Through the AD0809 analog input into digital, By adjusting the potentiometer to change the analog voltage input, digital display voltage changes

利用PWM原理控制电磁阀的实例，对于这方面研究的人很有价值-Use of PWM control of solenoid valve principle examples of research in this area were of great value

程序的规划，从开始到结束都有比较详尽的解说，对初学者到比较成熟有帮助-Program planning, from start to finish has a more detailed explanation, to be helpful for beginners to the more mature