单片机C语言程序，实现单片机控制计算机键盘的功能

非常详细的PS_2数遍与键盘协议，英文版，附有中文版对照，译者十分详细，是不可多得的PS_2协议资料-PS_2 very detailed agreement several times with the keyboard, in English, with Chinese version control, the translator is very detailed, it is rare agreement PS_2 information

DTMF编码芯片HT9200的51接口程序。输入参数R2表示发送数据个数，输入数据与发送数据与DTMF码的关系:00H-0 01H-1 02H-2 03H-3 04H-4 05H-5 06H-6 07H-7 08H-8 09H-9 0AH-A 0BH-B 0CH-C 0DH-D 0EH-* 0FH-#。详细说明参考文件内-DTMF encoder chip HT9200 51 interface program. R2 said input parameters to send data distribution, data entry and send data with the DTMF code : 00H-0 01H- 02H-2 Mr- 3 in the 04H-4 05H-5 06H-6 07H-7 08H-8 7-9 0AH-A 0BH- 0CH B-C 0DH-D 0EH-* 0FH-#. Detailed information paper

C51汇编必做试验3 -- 键盘扫描（C51最常见的应用哦）-ASM exam3-- Scan KeyBoard.

这个文件主要是2006年广东省大学生电子设计竞赛设计报告-err

在Power-I 51 Mini开发板上，基于89C51单片机开发的数字音乐盒，可以实现上一首下一首，播放，暂停，停止，的按键功能，并有数码显示时间，开机画面和曲号。-in the Power- I 51 Mini development board. 89 C51 microcontroller based on the development of the digital music player, can be achieved on the first one the next broadcast, suspension, stop, The function keys and a digital display, startup screen, and song.

电子屏字符显示器 电子设计， 解释清楚，一看即懂，简单明了 -E-Screen Character Display Electronic Design, explain clearly that one look to understand, simple to understand

单片机控制步进电机驱动系统电磁干扰及抑制 基于单片机的步进电机控制系统-Single-chip stepper motor driver control systems and electromagnetic interference suppression based on single-chip stepper motor control system

LCD字库生成 ；-LCD font generation

DS18B20驱动程序,已通过实物认证.-DS18B20 driver has passed certification in kind.

16进制to10进制输出子程序:显示数据，起始位，结束位，有无小数点-16 to10 band-band output subroutine : display data, the starting place, at the end, there decimal point