时钟芯片DS1302的设置、读取和测试程序

本次设计的RS232 to USB 转换器采用HT82M99E 和MAX232 芯片，其中HT82M99E 为主控芯片，MAX232 为RS232 level shift。本次设计的RS232 to USB 转换器使用操作系统提供的USB HID 设备类驱动程序。-The design of the RS232 to USB converter using HT82M99E and MAX232 chip, which HT82M99E for the master chip, MAX232 for RS232 level shift. The design of the RS232 to USB converter to use the operating system to provide the USB HID device class driver.

12864中文字库测试程序 ST7920-12864 Chinese font ST7920 test procedure

动态接口采用各数码管循环轮流显示的方法，当循环显示频率较高时，利用人眼的暂留特性，看不出闪烁显示现象，这种显示需要一个接口完成字形码的输出（字形选择），另一接口完成各数码管的轮流点亮（数位选择）。 -display

单片机串口输入输出函数-microcontroller serial input-output function

msp430开发版程序，能实现LCD&LED显示、键盘输入 开发板源代码-Developer msp430 procedures, to achieve LCD & LED display, keyboard input source development board

计时器，５１源码，芯片是７7E58,精度是10uS，上升沿，下降沿，脉宽都可以测量，８路同时测量，１０个数据存储，指标就这样了-Timer, 51 source code, chip is 77E58, precision is 10uS, rising edge, falling edge, pulse width can be measured, 8-channel simultaneous measurement, 10 data storage, so the indicators

这是一个基于STC89C58开发的用于51上的拼音输入法示例KEIL工程，程序很好用，已经测试通过并已应用于实际当中-This is a development based on STC89C58 for 51 on the sample KEIL Pinyin input method works very well with the procedure has been tested and has been used in practice

单片机C语言实现的对ROM进行测试的C语言的源代码。可供单片机开发人员参考。-SCM C language of the ROM to test the C-language source code. SCM developed for reference.

本程序可以利用74164串入并出芯片在七段共阴数码管上依次点亮0至9十个数字.. PA0....数据 PA1.....CP PA2.....是位选 在ATMEGA644P上调试通过-This procedure can be used to string 74,164 and a total of a chip in the seventh followed by vaginal digital tube light figures 0-9 10 .. PA0 .... data PA1 ..... CP PA2 ..... is selected through ATMEGA644P debugging

学习51单片机必备的一些C语言基础知识，对C语言不熟悉的朋友会有一定的帮助-51 Singlechip necessary to learn some basic knowledge of C language, on the C language are not familiar with our friends will help