Clock chip DS1302 and its application in the data record

PCF8563 的驱动程序，用两个普通的IO口模拟I2C总线，包括100KHZ（T=10US）的标准模式选择和400KHZ的快速模式选择，默认11.0592MHZ的晶振-PCF8563 of the driver, with two ordinary analog IO I2C bus, including the extremely low distortion (T = 10US), the standard model selection and 400KHZ fast mode selection, the crystal default 11.0592MHZ

自制实用51串行编程器,对于学习51单片机和业余开发是完全够用的-Home Practical 51 serial programmer for the study 51 of microcontroller and amateur development is complete enough for

DMX512型

用C51中I/O口摸拟串口-simulate serial port with I/O port in language of C51

这是Beagle_Allegro_B 板子的PCB图，供大家画图时参考使用-This is the PCB board Beagle_Allegro_B map, drawing reference to use for everyone

这是一个在proteus下仿真成功的闪烁灯的例子。对于初级学习proteus的人很有帮助-This is a simulation in proteus success under the lights flicker example. For the initial study and the people very helpful proteus

AVR单片机用C语言编写的包括时钟，LED，KEYPROCESS如何设置，是关于一个仪表的全套程序-AVR Singlechip with C language, including the clock, LED, KEYPROCESS how to set up, on a full range of process instrumentation

Keil C51 上51系列单片机优化的CRC－8 算法。可以自己改其他算式的，包含字节查表，半字节查表，bit计算。很难得的哦。-Keil C51 on the 51 computers optimized CRC-8 algorithm. Other formula can do it ourselves, and look-up table contains the byte, half-byte look-up table, bit computing. Hard to come by Oh.

c8051F040单片机中菜单显示，键盘输入例程-menu, keyboard input routines

可以用单片机做一个万能遥控器-SCM can be used to do a universal remote control