51的4*4键盘驱动当按键按下时返回一个值，且只在按下键时返回一次该值，之后返回0；无按键时返回0；包含消抖功能，在键盘的下降沿触发。 基于keil平台...

介绍了使用单片机产生音乐的方法，以及生日歌，祝你平安，八月桂花香的示例程序。-Introduce the use of single-chip generated music methods, and the birthday song, I wish you peace,八月桂花香sample procedures.

飞行控制中的转换坐标下的距离计算，可以根据给出的经纬度算出实际距离，开发环境为MPLAB,单片机为16位的dsPIC30F4013-Flight control of the conversion of a distance-based coordinates can be calculated in accordance with the actual latitude and longitude given distance from the development environment for the MPLAB, single-chip 16-bit dsPIC30F4013

液晶控制器S6B0724的控制。mplab 7.60+pic ccs 4.057-LCD controller S6B0724 control. mplab 7.60+ pic ccs 4.057

对PIC16F877芯片的EEPROM数据区进行读写的演示程序和PIC16F87X系列芯片通过SCI（串行通信接口）来实现与PC的通信。-right PIC16F877 chip EEPROM data area of the display and write procedures and PIC16F87X series chip SCI (Serial Communications Interface) and PC communication.

此代码是我们在单片机来控制CPLD记数,然后读出并转换数据,精度很高,在我们学校的电子设计大赛上还获的了二等奖-this code is in MCU to control CPLD counting, and then read out the conversion of data, the accuracy is high, In our schools Electronic Design Competition was also a second prize of

功能强大的串口程序，用avr系列的mega16单片机实现-powerful Serial procedures used avr series mega16 MCU

单片机c语言 初学者有用 有例子哦-SCM c language for beginners there are examples of useful oh

单片机C8051加无线模块NRF24l01，实现温度传感器数据的采集和无线传输-C8051 MCU plus wireless module NRF24l01, to achieve the temperature sensor data acquisition and wireless transmission

液晶选用南京国显的12864，这是本人初次点亮液晶的程序-LCD Nanjing State selection marked 12864, this is my first lit LCD procedures

C51库只提供长整形乘法，对于超过长整形的计算只能自己编辑软件。-C51 for only provide long-plastic multiplication, long plastic over the calculation only their own editing software.