非常有用的很容易使用的单

从RS232到PROFIBUS-DP的转换接口设计（终）.rar-from RS232 to PROFIBUS-DP Interface Design (end). Rar

利用串行驱动数码显示每位从0显示到F，到灭循环显示，要求1秒更新一次。-drive using serial digital display shows each from 0 to F, to eliminate cycle, a request updated seconds.

该程序为基于51单片机的步进电机控制程序，经调试可行-51 microcontroller-based stepper motor control procedures, testing feasible

简易谐波分析仪 -Simple Harmonic Analyzer

单片机用来实现数据排序程序（冒泡排序算法）-MCU used to achieve data sorting procedures (Bubble Sort Algorithm)

ds1302 + nokia5110的显示程序,以及ad 测量电压的程序， 以及定时器 键盘扫描. 以及L9110的 输入输出 关系. 以及eeprom的 读写. -ds1302+ nokia5110 display procedures, and ad measurement of voltage, procedures, and the keyboard scan timer. as well as the L9110 of the input-output relationship. as well as the read and write eeprom.

基于MSP430F149单片机的PS/2键盘程序，可以读取普通PC键盘上的按键键值。希望读者已了解PS/2的引脚功能。-MSP430F149 MCU-based PS/2 keyboard procedures, which can be read by an ordinary PC keyboard keys on the keypad. I hope readers understand PS/2 pin functions.

这个程序是基于有MMC下的SPI接口驱动程序源代码-This procedure is based on the MMC under the SPI interface driver source code

使用ATMEGA8L单片机做的两线串行接口TWI的功能，即I2C的功能！-Singlechip ATMEGA8L make use of two-wire serial interface TWI function, that is, the functions of I2C!

mp3设计原理图 设计思想 设计思路 设计步骤 明确清晰-mp3 schematic design design design design thinking clear steps