从串口调试工具发送一字符串到单片机，在lcd1602上显示。

温度传感器DS18B20测温+显示+键盘，里面包括KEIL文件和PROTEUS仿真文件-Temperature sensor DS18B20 temperature+ Display+ Keyboard, which includes documents and PROTEUS simulation KEIL document

频率计，精度高，可以自动换档，一般单片机可以达到0…500k-Frequency, high precision, can automatic transmission, the general single-chip microcomputer can be 0 ... 500k

avr gcc uart source code examples-avr gcc UART source code examples

光驱改成CD播放器,51作CPU,1602作显示,可以加入遥控器,非常好用的-CD-ROM into a CD player, 51 for CPU, 1602 for the show, you can add remote control, very useful

64输入32输出单片机程序-64 input 32 output SCM procedures

USB开发D12的结构-USB D12 structure

ad转换，将模拟信号量转换成数字信号量 -ad conversion, the analog signal into digital signal traffic volume

基于AVR实验平台下ATMega128芯片实习作业-AVR-based experimental platform operating under the ATmega128 chip attachment

AVR的旋转编码器解码程序。可以判断正反向。-AVR of the rotary encoder decoder program. Can determine positive and negative.

16位单片机dsPIC30F4013的PWM初始化及起的飞行控制系统中的应用-16-bit single-chip PWM initialization of the dsPIC30F4013 and from the flight control system