C51串口扩展5个源代码，可以弥补51单片机串口不足的缺点，

Can convert midi to rtttl

SST89C54/SST89C58单片机的IAP在线编程功能,如何使用FLASH寄存器对内部FLASH的操作-SST89C54/SST89C58 does the monolithic integrated circuit IAP on-line programming function, how use the FLASH register for the internal FLASH operation

4*4扫描键盘,通过键值通过4个数码管显示出来.-4* 4 Scanning keyboard, through key through four digital tube display.

发射芯片nrf24e1的控制字配置，发射子程序 与单片机的通讯-Launch control chip nRF24E1 word configuration, launch communications subroutine with SCM

TMS302F2812 的 EVM 很好的硬件设计参考资料-TMS302F2812 the EVM good hardware reference design

移动机器人摇杆手柄调速中(AD采集)，微控制器为MSP430，已成功调试用于机器人上！-Mobile Robot Control in the rocker lever (AD Acquisition), micro-controller for the MSP430, debugging has been successfully used on the robot!

基于avr单片机的74hc164并入串出显示的仿真(proteus,c源码) -Avr microcontroller based on a displayed string 74hc164 into the simulation (proteus, c source code)

C51与HT9170和HT9200接口程序(双音多频)-C51 with HT9170 and HT9200 interface program (DTMF)

单片机读写E2P程序 利用单片机和2402连接,向2402内写入一串数据,单片机通过按键来将写入的数据读出来 用LED显示-E2P procedures to read and write single-chip single-chip computer and 2402 connected to 2402 with a string of data to write, microcontroller through the keys to write the data will be read out with LED display

51单片机c语言用PS2键盘控制LCD12864显示-51 MCU c language to use PS2 keyboard LCD12864 Show