ADC0809驱动程序，可以直接使用。 我在实验中已多次使用过。...

简易数字电压表可以测量0-5V范围的8路电压值，并在4位LED数码管上轮流显示或单路选择显示。-Simple digital voltage meter can measure the range of 0-5V Voltage road 8, and 4 digital tube LED display on a rotational basis or choose to display a single road.

呕心沥血花了将近一个月编写的打印机程序，可用在89C51系列-born to spend nearly a month to prepare the printer procedures available in 89C51 Series

USART在单片机里的通用c程序，保证好用-USART in SCM

FM1808是一种掉电可保存的RAM存储器,应用很广泛.-FM1808 is a power-off kept in RAM memory, which is widely used.

用Keil　C51写的步进电机驱动程序。-A stepping motor driver program written by Keil C51.

EEPROM 24c04其根本是，先往24C02中写数据，然后，读出数据，在数码管中显示，这样直观明了，详细说明，请看程序中注解-EEPROM 24c04 其根本是，先往24C02中写数据，然后，读出数据，在数码管中显示，这样直观明了，详细说明，请看程序中注解

各种51单片机源程序集，包括浮点数的计算，多字节的加减等算法的实现-SCM source scripts, including floating point calculations, multi-byte such as addition and subtraction algorithm implementation

本例采用89C52, 晶振为11.0592MHZ，关于如何编制音乐代码, 其实十分简单,各位可以看以下代码.频率常数即音乐术语中的音调,而节拍常数即音乐术语中的多少拍 所以拿出谱子, 试探编吧!-Example use of the 89C52, crystal for 11.0592MHZ, on how to prepare music code, is actually very simple, you can see the following code. Frequency that is constant in terms of tonal music, and the constant beat of music terminology that is how much of the shoot so come up with music score , test made it!

51单片机设计学习，有此一本书在手，开始51系列的程序就没有问题了-51 Single-chip design study, this has a book in hand, started 51 of the procedures would be no problem

单片机CRC算法程序-SCM CRC algorithm