基于c51开发的串口通讯程序。方便c51和电脑通讯

学习C51的最好例子程序-study of the best examples of procedures

eagle circuit for MP3 expander

串行flash 25vf020 驱动程序的定义-Serial flash 25vf020 definition driver

AT91RM9200-DK的cf卡读写程序-AT91RM9200-DK

电源调节，输入范围5V至26V，输出可以调节。-Power conditioning, input range 5V to 26V, the output can be adjusted.

基于16c54的4位LED时钟显示程序-16c54 based on the four LED clock display program

老外做的软件实现DTMF-foreigner Software DTMF

还可以吧我是新手不太懂请大家多多的指教好了-Can you not understand I am a novice please all sorts of good advice

使用IAR编写的DS1302时钟芯片驱动和4*4矩阵按键的扫描函数，可以使用按键设置时间，采用msp430f149单片机-IAR prepared using DS1302 clock chip driver and 4* 4 matrix keypad scanning function, you can use the keys setup time, using MSP430F149 single-chip microcomputer

完整的c程序，包括模拟量输入输出，pid算法，触摸屏通讯等。-Complete c procedures, including analog input and output, pid algorithm, touch-screen communications.