这是isd4004的中文资料，里面讲述了其与单片机控制原理和机制...

键盘扫描及返回相关数据,只是读键盘与功能实现的一个接口函数

新华龙020 的内置spi0。驱动16位精度dac8831的程序，采用单端方式输出正弦波-Hualong 020 new built-spi0. Dac8831 drive 16-bit accuracy of the procedures, the use of single-ended sine wave output

avr的程序，spi通信的程序，还有好多其他的-avr procedures, 20 communications procedures, there is still much to the other

红外的发射和接收 单片机红外发射（原理与设计程序）-SCM infrared emission (theory and design program)

HT1623应用文档，LCD解决方案，大家要的赶快下载啊-HT1623 application documents, LCD solutions, we have to get the download ah

c51写的，数码管显示以及键盘接口专用控制芯片芯片BC7281与MCU串行通信的解决方案的实例程序。在c51里的移植基本不需要改动。-decoder, a digital control display and keyboard interface dedicated controller chips BC7281 and MCU chip serial communications solutions examples of procedures. C51 Lane in the transplant is not needed changes.

单片机AT89S52控制MFRC500以及MAX485实现读取IC卡信息和多机通信功能-Single-chip AT89S52 control MFRC500 and IC card reader to achieve MAX485 information and multi-machine communication

凌阳公司的光敏电阻传感器源代码，代码中注有非常详细的代码功能注释。-Sunplus

单片机课程设计的LCD显示，附带有程序，仿真图，以及原理。-LCD display, there are procedures, simulation plans, as well as the principle of

AT89C2051驱动步进电机的电路和源码(用keilC51)-AT89C2051 stepper motor drive circuits and source code (using keilC51)