AD转换器AD7890驱动程序（KeilC51）

I2C的源代码,经本人测试通过,完全没有任何错误-I2C source code, as I tested, there is no any error

HT1621驱动程序~~内带清屏，和4为自加1显示（3COM ，1/2偏压）-HT1621 driver ~ ~ within the zone clear screen, and 4 plus a self-display (3COM, 1/2 bias)

暑假为学生培训写的51相关接口的所有源码及项目代码，包括串口通信、IIC、SPI、8255、ADC、PWM、WDT等，并且涉及到一些项目级的封装比如通讯协议等。-Summer vacation for students to write the 51 training-related interfaces and project all source code, including serial communication, IIC, SPI, 8255, ADC, PWM, WDT, etc., and involve a number of projects such as communications package-level agreements.

AT89C51中文资料。介绍了AT89C51 8位单片机的内部结构和各个存储器，时序等。-AT89C51 Chinese data. Introduction of the AT89C51 8-bit MCU s internal structure and the various memory, timing and so on.

温度芯片功能的读写程序，包括汇编原代码，可烧录文件，熟悉一线产品的读写方式-Function of the temperature reading and writing chip procedures, including the compilation of the original code, recordable document, the reader familiar with the product line approach

利用stc12c2052单片机测量空气质量的-use stc12c2052 SCM measurements of air quality

这是一个智能小车的原理图，里面包括红外传感器的收发，液晶显示模块，方波产生模块，单片机控制模块等．-This is a smart diagram of the car, including infrared sensors inside the transceiver, LCD modules, square wave generated modules, SCM control module.

单片机源程序,用于需要4*4矩阵键盘场合,汇汇编程序KEIL开发环境.-Singlechip source for 4* 4 matrix keyboard occasions, the assembler KEIL development environment.

异步电动机矢量无速度传感器仿真模型,一起研究.-Induction motor speed sensorless vector simulation model to study together.

红外传输程序，单片机at90s8515,红外编解码芯片max31-communicate by infraed ray