给出一种利用单片机通用I/O 口扩展串行通信的方法.

简易数字电压表的设计,利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少。-Simple digital voltage meter design, the use of single-chip AT89S51 with ADC0809 to design a digital voltage meter, capable of measuring between 0-5V DC voltage value, four digital display, but requires the use of minimum number of components.

D/A单片机程序，供单片机爱好者参考-D/A microcontroller procedures for SCM reference lovers

很有用的一些从用代码 有keil编译实现的 可以-Useful to have some code from keil compiler can realize

cs5532中文资料，他是２４位高精度AD转换芯片-CS5532 Chinese information, he is 24-bit high-precision chip AD conversion

lcd1602 含仿真 很好的应用实例 看过即会-lcd1602 with a good simulation of application examples will be seen that the

avr 单片机LED驱动程序源代码c程序设计-Single-chip LED driver avr source code c programming

例子Proteus经典例子和中文资料 8051-Examples of classic examples of Proteus and Chinese information 8051

单片机c51系列控制74h595移位寄存器驱动LED显示-C51 Series 74h595 Singlechip control shift register drives LED display

MSP430 F149的单片机 键盘 便于相应计时器的操作-MSP430 F149 microcontroller keyboard to facilitate operation of the corresponding timer

WAVE6000编写的常用的程序 包括键盘 通信 数据转换 -WAVE6000 prepared by the common keyboard communication procedures include data conversion