用STC单片机开发的简单脉冲发生器,用来测试步进驱动器.

一个很好用的密码锁程序，MCU用的是EM78P447，经试用非常可靠，提供给想学习EMC的用户使用，如有需要原理图的请发邮件到micheal23@sohu.com,注：需注明LOCK原理图-good with a password lock procedures, the MCU is EM78P447, tested very reliable, available to want to learn EMC users, if necessary schematic please send mail to micheal23@sohu.com, Note : LOCK be annotated diagram

PIC上实现的I2C通讯源程序，使用IO口模拟I2C总线时序来实现的。-PIC achieve I2C communications source, I use IO I2C bus timing simulation to achieve.

DAC7611，12位串口DA驱动程序，只需将代码中的四个端口按自己的电路修改就可以使用。-DAC7611, 12 bit serial DA driver, just the code of the four ports in accordance with their own modifications on the circuit can be used.

51单片机模拟串口SPI方式接收和发送数据-51 single-chip analog SPI serial receive and send data

MD51-86实现的四人抢答器 -MD51-86 to achieve the four Responder

dmx512通讯程序,可以接收dmx512格式的数据-dmx512 communication procedures, can receive the data format dmx512

u盘制作资料(原理图、文档、底层驱动源程序)_-u disk production of information (drawings, documents, the bottom-driven source) _

it is programed on dsk6455,and it describe the use of the LED module of the the dsk6455 Board Support Library. -it is programed on dsk6455, and it describe the use of the LED module of the the dsk6455 Board Support Library.

采用tenx TMU3110开发的一个HID的示例程式 包括单片机程式 ,PC端USb接收程式-used tenx TMU3110 development of a program HID examples include SCM programs, PC program receiving end USb

模拟pwm实现灯的亮度，通过调节其输入脉冲的占空比来实现灯闪烁不是很明显又能看到亮度变化的功能-Analog pwm realize the brightness of lights, by adjusting the input pulse duty cycle to achieve blinking lights is not very obvious to see the brightness can change the function of