arm7定时器中断方式，可以通过中断方式实现定时的功能

通过硬件电路实现，智能湿度仪。测量空气湿度。先通过数字端，在经过模拟电路处理，完成相应功能。-hardware circuit, intelligent humidity instrument. Measurement of air humidity. First-through digital, analog circuit after processing to complete functional.

与epson m-150打印机通信，但是有些错误，希望高手指正一下-With epson m-150 printer communication, but some mistakes, hope you can correct me about

这个是飞思卡尔单片机QG8的SPI模块，这个模块可以实现高速数据通信。-This is a Freescale microcontroller QG8 the SPI module, this module enables high-speed data communications.

监视室内温度并获取温度，当温度到达60摄氏度以上即发出警报 -Monitor the indoor temperature and obtain the temperature, when the temperature reaches above 60 degrees Celsius that the alarm

用protues简单制作的4X4键盘,有图和原程序,可实现按下键显示对应的数值-Protues produced using a simple 4X4 keyboard, there are maps and the original procedure, can be pressed to display the corresponding numerical

AVR驱动18B20例子 AVR驱动18B20例子-AVR-driven examples of AVR drive 18B20 example 18B20

关于51单片机控制595驱动的数码管程序，编译过，可直接使用，有HEX文件-51 single-chip 595 on control-driven digital control procedures, the compiler, and can be used directly, there are HEX file

用51单片机做拉幕式时钟显示，有设计方案，原理图以及源代码-To do with 51 single-chip pull-screen clock display, has design, schematics and source code

简单实用的51串口波特率计算器。- Simple practical 51 string mouths baud rate calculator.

我写的四字点阵，1664的。用字库显示。有1302的时间显示。C语言，有proteus的仿真-I wrote the word dot-matrix, in 1664. With font display. 1302 shows that there is time. C language, proteus simulation