一个基于stc89s52 nRF2401的demo代码，

单片机c51系列控制74h595移位寄存器驱动LED显示-C51 Series 74h595 Singlechip control shift register drives LED display

C51操作5767收音机芯片(内置杭州的几个台)-5767 Radio operator C51 chip (built-Hangzhou several Taiwan)

51单片机基础训练项目之会唱歌的单片机。本例使用普通有源蜂鸣器，通过控制单片机输出频率来达到“唱歌”的目的。着重训练初学者对IO管脚的认识。-51 MCU-based training program in the microcontroller will be singing. In this case the use of ordinary active buzzer, by controlling the microcontroller output frequency to achieve the " singing" objective. Focus on training for beginners to the IO pin awareness.

一个简单的时钟开发程序,显示时,分,秒!!! 可以接上数码管再加上简单的转换就可以制作为简单的电子表-Clock to develop a simple procedure, show hours, minutes and seconds!!! Can be connected to digital tube coupled with a simple conversion can create a simple e-form

利用51单片机对u盘进行读写操作，其中用到的usb芯片是sl811master。-use 51 to u-SCM write, which to use the USB chip is sl811master.

串口测试程序，当收到一个数据时会返回一个同样的数据-Serial test procedure, when a data received will be a return of the same data

C51编写的1602液晶片驱动程序，是C语言编写的！-C51 prepared by the 1602 film LCD driver is prepared by the C language!

simpliciti1.0.3版本，IT公司自定义的简单无线通信协议，包括多个实验程序-simpliciti1.0.3 versions, IT companies from the definition of a simple wireless communication protocols, including the number of experimental procedure

利用C语言进行24lc256与单片机的通讯程序-The use of C language SCM 24lc256 and communication procedures

MSP430F149单片机控制122*32液晶C程序-MSP430F149 single-chip control 122* 32 LCD C procedures