dac

单片机音频通信9170和9200，接收发送源程序(9170 and 9200 microcontroller audio communication, the receiver sends source)

LED旋转屏通过4排LED可以显示一个图形(4 rows by rotating LED LED screen can display a graphic)

MSP430实现的多级菜单功能，采用OLED实现，占用Ram量较少(MSP430 realize multi-level menu functions, the use of OLED achieved occupancy of less Ram)

红外编码显示在p1口的led灯上，方便大家利用遥控器。(Infrared codes display on the p1 mouth of led lights, facilitate everybody using the remote control. )

nrf905 接收机程序 89C52 验证通过 绝对好使(nrf905 receiver program 89C52 verified through absolutely so)

关于交通灯的单片机课程设计，内含程序代码以及Proteus的使用资料。(Information on traffic lights using microcontroller curriculum design, including the program' s code, and Proteus.)

nRF51822低功耗蓝牙4.0资料和设计指导说明。(nRF51822 BLE bluetooth 4.0 desgin guide)

本源代码用于使用ATMEL公司的AT89C51芯片实现硬件mp3，其中包括有特色的mp3解码算法和U盘功能读写程序。(Source code for use ATMEL Corporation AT89C51 chip hardware mp3, have characteristics which include mp3 decoding algorithm and U disk function to read and write procedures.)

基于正点原子stm32的频谱 a1读取ad信号显示(Punctuality atomic spectrum based stm32 a1 read signal display ad)

基于VC++的，以操作文件的方式（CreateFile,WirteFile,ReadFile）来操作串口实现的射频卡门禁系统，实现了包括读卡写卡，寻卡防冲突等功能。(Based VC++ in order to manipulate papers (CreateFile, WirteFile, ReadFile) to operate the serial interface of the RF card access control systems, including the realization of the card reader to write, look for cards anti-collision function.)