主要介绍keil的功能及使用方法，并附有相关实例，及源代码

自己动手，进入单片机的大门-yourself into the door MCU

用DP801Z制作多挡位时控式应急开关，用机器码写的-DP801Z produced using Shift-control when emergency switches, using binary write

DS18B20 单线数字温度计指南,除硬件结构介绍外,还包含有汇编语言源代码及C语言源你码,是一个很不错的开发参考资料.-Single-wire digital thermometer DS18B20 Guide, in addition to the hardware structure of introduction, it also contains the source code in assembly language and C language source your code, is a very good development of reference materials.

AD7705的C51读写程序.希望对大家有所帮助！-AD7705 to read and write procedures for the C51. Want to be helpful to everyone!

C51 TIMER 0的使用 Timer_0_mode_1_counter_gate_soft-C51 TIMER 0 use Timer_0_mode_1_counter_gate_soft

RS485标准的C51通信程序，只要两个单片机和485芯片就可以实现通信-C51 standard RS485 communication program, as long as the two single-chip and 485 chip communication can be achieved

16X16的LED点阵控制（附原理图），asm和c的源程序，对了解开发原理有帮助！-audio LED dot matrix control (diagram), asm and c source, the development of principles for understanding help!

键盘示意图键盘示意图

126*64或192*64LCD驱动程序包，控制芯片HD61202-126* 64 or 192* 64LCD driver package, control chip HD61202

单片机定时中断的精确定时编程　里面介绍了５种定时中断的方法误差均不超过1个机器周期-SCM regularly interrupted regular programming precision inside of five species regularly interrupted the error not more than one machine cycle