1602 and interrupted by keyboard control a six

基于DS18B20温度传感器的设计程序 要求为：第一，由DS18B20获得外部温度信息然后通过数码管显示，显示值为三位，两位整数，一位小数。第二，判断温度是否大于 50℃，若温度在50℃以上，显示红色发光二极管发光；若温度在50℃以下，显示绿色发光二极管发光。-DS18B20 temperature sensor based on the design of procedural requirements: first, by DS18B20 access to external temperature information through a digital display, showing a value of 3, two integer, a decimal. Second, to determine whether the temperature is greater than 50 ℃, if the temperature at 50 ℃, which indicates that the red light-emitting light-emitting diodes if the temperature below 50 ℃, showing a green light-emitting diode LED.

汇编实现的接口8251编程  一个很好用的代码  上课实验时写的

用89C51，外接晶振，复位电路，二个数码管，二个按键，做一个电子秒表，具体要求为用按键起停电子表，可用按键设计倒计时时间(如10S，20S，60S),并启动倒计时功能,能用按键选择以上两功能之一-With 89C51, an external crystal oscillator, reset circuit, two digital tube, two buttons, making an electronic stopwatch, and specific requirements for the use button start-stop electronic watches, key design can be used countdown time (such as 10S, 20S, 60S), and start the countdown function, can be used for more than two buttons select one of the functions

24C02存储IC有2K的空间,可用于断电后程序的保存,这里提供读写程序-24C02 memory IC has 2K of space, can be used to save power after the procedure, here to read and write procedures

以前我对汇编语言学习一些，在此提供一些源码，大家可试一下。-I used to learn some of the assembly language, in this to provide some source code, we can try.

深入 DOS BIOS 编程与应用 (电子书)-depth DOS BIOS programming and applications (e-books)

dmi读取工具，能够读type0-4的所有信息，兼容版本2.0-2.4-dmi reading tool, Reading type0-4 all the information compatible versions 2.0-2.4

it can help you know C++ souce program quckily

用汇编编写的矩阵乘源代码，可以在WinDLX下运行-Matrix prepared by the compilation by the source code, you can run WinDLX

液晶YM12864与AT89S51并行通信，可以显示四行中文字符-AT89S51 LCD YM12864 with parallel communication, can display four lines of Chinese characters