步进电机控制程，加减速控制。行走步数控制

Proteus仿真实例，在Proteus下仿真中断，非常不错，值得下载。-Proteus simulation example, under the simulation in Proteus interruption, very good, it is worth downloading.

通过8255查询键值，显示不同的数字。k1显示1，K2显示2，K1和K2显示3,如此类推。最多能显示7。-8,255 inquiries through the keys, show different figures. K1 shows a, K2 showed 2, K1 and K2 showed three, and so forth. The most that can be shown 7.

在笔记本电脑日益广泛的今天，usb口的下载线显得尤为重要。市面上售卖的usb下载线价格普遍偏高。因此自己动手做一个usb下载线不仅节约资金，更能增加动手能力。大家赶快来下载吧！-In an increasingly wide range of notebook computers today, usb port download cable seems particularly important. Download usb for sale on the market price generally high line. So make yourself a usb download cable not only save money, but also increase the practical ability. Everyone as soon as possible to download it!

Ks0108_LCD 驱动程序。有详细的说明。其他的Ks系列的LCD可以参照编程-Ks0108_LCD driver. Has detailed instructions. Ks other series LCD can refer to Programming

基于电话网络的远程监测系统 附原理图及PCB图-Telephone network-based remote monitoring system attached schematic diagram and PCB

用C51实现的拼音输入法,这是改写的网友 embuffalo、独步上载在www.21ic.com自由发布区的由张凯原作的51上的拼音输入法程序。 原作使用了一个二维数组用以查表，我认为这样比较的浪费空间，而且每个字表的索引地址要手工输入，效率不高。所以我用结构体将其改写了一下。就是大家现在看到的这个。 因为代码比较的大，共有6,000多汉字，这样就得要12,000 byte来存放GB内码，所以也是没办法的 :-( 编译结果约为3000h,因为大部分是索引表，代码优化几乎无效。 在Keil C里仿真芯片选用的是华邦的W77E58，它有32k ROM, 256B on-chip RAM, 1K on-chip SRAM (用DPTR1指针寻址,相当于有1K的片上xdata)。条件有限，没有上片试验，仿真而已。 打算将其移植到AVR上，但CodeAVRC与IAR EC++在结构体、指针的定义使用上似乎与C51不太一样，现在还未搞定。还希望在这方面有经验的网友能给予指导。-C51 with the Pinyin input method, which is rewritten netizens embuffalo. Unrivaled www.21ic.com available in the free publication of the original work by Kai-51 on the Pinyin input method procedures . Appreciate the use of a two-dimensional array for the look-up table, I think this is a waste of space. Each of the characters but the index table to manually input address, efficiency is not high. I use the structure to rewrite a bit. We see now is this. Because the code comparison, a total of 6, more than 000 Chinese characters, this must

arm7 bootloader source, very good-arm7 Bootloader source, very good

凌阳实现4*4键盘的源码， 经过调试的，大家放心使用-Sunplus to achieve 4* 4 keyboard source, after debugging, we rest assured that the use of

LED灯控制程序，用78F9212单片机，C语言，PWM控制，可调光-LED lamp control procedures, using 78F9212 Singlechip, C language, PWM control, dimmable

这是一篇关于嵌入式系统的LCD液晶驱动程序的资料及源程序-This is an embedded system on the LCD driver and source of information