C51KEY

调整手机背景，色彩，调通手机界面或者制作3D动感界面-Phone adjust background color, tune Qualcomm mobile phone interface or the production of 3D dynamic interface

【SoC单片机实验、实践与应用设计：基于C8051F系列】一书的光盘，里面有39个C8051F020的源码可供参考

针对于AT24CXX的IIC读、写操作的源码。-For the IIC in AT24CXX read and write operations source.

单个数码管循环显示０～９，在KEILC环境下编译调试成功-A single cycle of digital tube display 0 ~ 9, in the circumstances KEILC successful compiler debugging

12864液晶屏驱动: 显示器片选0=CS1,1=CS2 BZPD 0=上8X8半字,1=下8X8半字 HZDH 0=显示汉字，1=显示动画-12,864 LCD Driver : Display- election CS1 = 0, 1 = 0 = CS2 BZPD on 8x8-word, a = half under 8x8 = 0 word HZDH show Chinese characters, animation shows a =

this is a sensorless fan motor control code .(it use the angle-ahead commutate tech.)

系统的最小板程序，可以作为其他开发的基础！可以通过键盘控制！-the smallest board procedures, can be used as the basis for other development! Keyboard control can!

步进电机的驱动程序,按3个速度段,让步进电机跑的跟精确-Stepper motor driver, according to the speed of paragraph 3, concessions into the motor running with the precision

用MC9SDG128单片机控制小车的智能寻迹程序，利用C程序编译-With MC9SDG128 SCM smart car tracing procedures, procedures for the use of C compiler

采用4046实现的10m以下信号的锁相环 电路图。-used to achieve the 4046 10m below the signal phase-locked loop circuit.