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。...

数码管显示秒表(汇编),用动态扫描的方式进行显示，减少IO口-Digital display stopwatch (compilation), with dynamic scan showed that the way to reduce the IO I

IRQ4中断有三个中断源：1KHz、2Kz和4KHz,每一个中断分别控制与IOA0-IOA1,IOA2-IOA3和IOA4-IOA7相连的LED灯-IRQ4 interrupt has three interrupt sources: 1KHz, 2Kz and 4KHz, each interruption of the respective control and IOA0-IOA1, IOA2-IOA3 and IOA4-IOA7 connected LED lights

采用单片机控制的cs8900芯片的驱动和TCPIP协议栈-using micro-controller chip the cs8900 drive and TCPIP stack

2位微机实验指导书 华中科技大学计算机学院 武汉市豪申光电新技术有限公司 第一章 基本接口实验 2 第一节 并行接口实验(8255芯片实验) 2 实验一 步进电机控制接口实验 2 第二节 定时/计数实验(8253芯片实验) 9 实验二 音乐发生器接口实验 9 第三节 串行通信接口实验(8251芯片实验) 21 实验三 RS-232标准全双工查询方式异步串行通信实验 21 第四节 A/D D/A转换器接口实验 32 实验四 查询方式A/D转换器接口实验(ADC0809) 32 实验五 D/A函数波形发生器接口实验(DAC0832) 40 第二篇 微机原理实验 44 第一章 16位汇编语言编程实验 44 实验一 系统认识实验 44 实验二 数据码制转换程序设计实验 49 实验三 求和程序设计实验 59 实验四 分支程序设计实验 68 实验五 循环程序设计实验 77 实验六 排序程序设计实验 86 实验七 子程序设计实验 95-two computer guide books Huazhong University of Science and Technology in Wuhan City Computer College ho optoelectronic applications of new technologies first Limited Chapter two basic interface experimental section I Parallel Interface (8,255 microarray experiment) into two experimental step motor control interface is regular inspection section 2/Counting Experiment (8253 experiment) 9 2 Experimental Music Generator Interface 9 Section III Series Communication Interface Experiment (82

诺基亚FBU

MAX485应用很广泛,可应用远程传输,信号衰减少.-MAX485 applications is very wide, and can be applied to long-distance transmission, the signal failure reduced.

触摸屏幕资料！还有电路图！可以借鉴的！是初学者的好资料-touch screen information! There circuit! We can draw! Beginners is a good information!

1.Ｋ１作为左转弯开关，Ｋ２作为右转弯开关。Ｌ１、Ｌ２作为左转弯灯，Ｌ５、Ｌ６作为右转弯灯。 2.程序实现的功能：向上打Ｋ１时左转弯灯以一定频率闪烁，打Ｋ２时右转弯灯以一定频率闪烁，Ｋ１、Ｋ２同时向上或向下，发光二极管灭。-1.K1 as a left turn switch, K2 as a switch and turn right. L1, L2 as a left turn lights, L5, L6 as lights and turn right. 2. Program features: K1 when the left turn up to fight a certain frequency of flashing lights, turn right when playing K2 to a certain frequency of flashing lights, K1, K2 upward or downward at the same time, anti-light-emitting diodes.

温度计原理图和源码-thermometer schematic and source

凌阳16位061单片机控制器中，一些重要的定义，大家可以直接查用！-Sunplus 16-bit single-chip controller 061, a number of important definitions, we can use Direct Access!