用单片机 AVR mega48 和 tinny13做的 AVRCDC

ATMEGA128的ADC驱动程序，对自己编写端口驱动的同志有很大的帮助！-ATMEGA128 the ADC driver, port driver of their comrades in the preparation of great help!

用bascom-avr编写的20k示波器，很有意思，小日本做的-bascom shiboqi

自动打铃器 运用单片机的编写的，不仅含有图形还有编程-Automatic bell device prepared by use of single chip not only contains the graphics there are programming

高精度实时时钟－SD2001驱动程序 用于威帆电子SD200X系列IC驱动-high-precision real-time clock-driven procedures for SD2001 Granville sails electronic SD200X Series Driver IC

利用单总线数字温度芯片DS18B20测温度，并用七段数码管显示出来。proteus仿真，keil编译-DS18B20+PROTEUS+KEIL

在微机上模拟I2C总线的设计中，用并行口的D0（PIN2）模拟SCL信号，用D1（PIN3）模拟SDA信号。根据IIC总线的电平规范 -Computer simulation on the design of I2C bus with a parallel port D0 (PIN2) Analog SCL signal, with D1 (PIN3) Analog signal SDA. According to the IIC bus specification level

单片机控制键盘和led，键盘送入的数据在led 上显示，数据满四位后，键入的第5位数据在个位显示，前四位清零。-MCU control the keyboard and led, keyboard into the data led the show, data-4, Type the first five places in the data revealed that four former reset.

CH341评估板，演示USB转串口、转打印口、转并口及同步串口等-CH341 Evaluation and demonstration USB to serial, LPT switch, switch synchronous serial port and parallel port, etc.

刚搞到的ad9954资料，希望可以给你帮助。-The AD9954 has just got the information, I hope can give you help.