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。...

带遥控 带128*64LCD 带电子开关 -With remote control with 128* 64LCD with electronic switch

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!

这是一个学习芯片的事例,AD9958 一个DDS芯片,里面是芯片控制程序-This is an example of learning chip, AD9958 a DDS chip, which is the chip control procedures

这是一个针对AVR单片机的串口编程，里面有原理图，加上串口源码。针对型号为ATMEGA128的AVR单片机使用。其它的芯片，如果寄存器一样也可套用。-This is a serial port for AVR MCU programming, which has schematic diagram, together with the serial code. ATmega128 model for single-chip using the AVR. Other chips, the same as if the register can also be applied.

可用于测量10000000赫兹频率范围内的方波，基于单片机8051.精度为0.01 -Can be used to measure the frequency range of 10 million Hz square wave, based on 8051 microcontroller. Accuracy 0.01

80C51单片机中利用蜂鸣器实现电子琴的源程序。包含蜂鸣器的datasheet。-80C51 single-chip buzzer realize the use of the source organ. Contains the buzzer datasheet.

单片机80C522，里面有实用的程序源吗码-80C522 microcontroller, there are practical program source code?

本文件是用51单片机设计电子琴的资料文件，且带有原理图-The present document is a single-chip design with 51 information paper flower, and a schematic diagram

最新的HD7279(c语言)驱动程序含有两个按键驱动程序及测试函数，多种时钟制做-latest HD7279 (c Language) driver contains two key drivers and test functions, many system clock so

SMS卡的AT控制程序演示，51单片机用-SMS AT demonstration control procedures, with 51 MCU