此程序是利用51单片机，控制蜂鸣器接口高低电平，让其发出歌声。...

由单片机组成的仿三菱可编程控制器 能完成所有逻辑控制(即PC)功能，并对机床全部输入信息进行处理；具有最优性能价格比-Composed by the single-chip programmable logic controller like Mitsubishi to complete all the logic control (ie, PC) function, and machine tool for processing all input information with optimal price-performance ratio

软件滤波文件 -software filter paper

PTR8000的一个调试程序，功能还可以。-PTR8000 a debugger, functions can also be.

一个小型的数控电源的源码，采用DAC0832进行转换，实现0-12V的精度为0.1的步进调压。-NC a small power source, using the conversion DAC0832, 0-12V realize the accuracy of the stepper regulator 0.1.

只用cy7c68013实现的usbblaster!SDCC编译!-CY7C68013 achievable only usbblaster! SDCC compiler!

这是一个基于P89c51单片机的声音与显示C51程序--A P89C51-SCM-based C51 program for sound and display.

AVR定时器功能 定时器每秒加一,0到255循环,通过数码管显示计数值-AVR timer function Timer per second, plus one, 0 to 255 cycles, through the LED display counts

两线制电流 温湿度变送器原理图，MSP1221的PWM和XTR115-Two-wire current temperature and humidity transmitter schematic, MSP1221 the PWM and XTR115

/************************** 0 1 2 3 4 5 6 7 8 9 . CLR + - = CLR ***************************/ 用键盘扫描,数码管显示实现计算功能,能实现xxx.x任意正数的加减 运算,超过范围显0000,功能键如上-/************************** 0 1 2 3 4 5 6 7 8 9. CLR +- = CLR ***************************/ With keyboard scan, digital tube display of computing power, to achieve any positive xxx.x addition and subtraction Operation, significantly more than the scope of 0000, above function keys

用msp430控制的OLED显示程序 -MSP430 control with OLED display program