5_SKEY

PC与单片机通信，计算机串口读取程序,非常实用，可以实现串口数据的读数和显示(read uart com data and play it)

at89c51snd1单片机SCMM的mp3播放程序源码 (SCMM at89c51snd1 microcontroller mp3 player source code)

基于单片机的数字密码锁设计，六位密码同时有密码修改和LCD显示功能。(Six password combination lock design based on single chip microcomputer, at the same time have a password to modify and LCD display.)

单片机，通过串行扫描，读取矩阵的键盘码。(Microcontroller reads the keyboard codes.)

240128-7液晶的驱动程序(汉字+图形)(240128-7 LCD driver (Chinese+ graphics))

设计报告和设计方案，相信对参加飞思卡尔竞赛的有帮助。(The design report and design plan are believed to be helpful for participating in the Freescale Competition.)

nRF24L01点对点跳频技术应用,关于射频2.4G无线通信的应用(nRF24L01 point hopping technology applications)

说明：  自己学习STM32F103C8T6的基本程序，主要是对ADC在CubeMX中的配置，ADCD 的DMA连续采集传输，不占用CPU，对初学者很由帮助(Learn stm32f103c8t6 basic procedures, mainly on the ADC configuration in cubemx, adcd DMA continuous acquisition and transmission, does not occupy CPU, very helpful for beginners)

说明：  STM32驱动TLV5616实现da转换 实测无误(Realization of DA conversion by STM32 driver TLV5616)

C写的ArcSDE连接添加Feature的类(Add ArcSDE Connection C written in class Feature)