TEA5767 the 3

8路数字电压表,有过流保护,过载保护-8-way digital voltage meter, has over-current protection, overload protection

四相步进电机正反转驱动原代码，汇编语言编写-Positive four-phase stepper motor driver source code, compiled languages

KEIL51的一元二次方程的程序-KEIL51 a square procedure

单片机读写TDA8007，比较简单，可做参考。-Read and write single-chip TDA8007, relatively simple, can refer to.

时钟ic DS1302的驱动程序。开发环境是在c51下。希望给大家做个参考。-clock ic DS1302 the driver. The development environment is under decoder. We hope to be a reference. Thank you! !

大学生电子设计竞赛题目，有参加的同学可以借鉴一下-Undergraduate Electronic Design Contest topic, have students take part in can learn from you

内容： 1、试验目的：了解按键的扫描原理 2、实现现象：同时按键抢答，先按的键有效，其他按键锁死 复位后重新开始抢答 3、硬件要求：按键 LED灯 原理：最先按下按键者有效，其他均无效-Contents: 1, test Objective: To understand the key principles of scanning two to achieve phenomenon: the key to answer in the same time, press the key and effective, other key-lock reset and re-start to answer in 3, the hardware requirements: button LED lights principle: first press the keys are valid, others are null and void

支持键盘双击事件的C程序设计,51实例，验证过的-Double-click the event to support the keyboard C-program design a

应用于ARM单片机的LCD1602的驱动代码-Applies to ARM MCU LCD1602 driver code

51中文拼音输入法C源程序-51 Chinese Pinyin input method C source