8051单片机上4*4矩阵键盘的扫描方式2

步进电机步距角细分单片机控制系统设计与研究-stepper motor breakdown step angle SCM Control System Design and Research

有学习单片机的可以下下 17种使用小软件这时其2-RUANJIAN

proteus 数字时钟 ds1302-ds1302 digital clock proteus

1.通过键盘、LCD来进行超低功耗实验 2 在一段时间内，如果用户没有进行按键操作，系统将进入“睡眠”－－低功耗状态 3 用户按键后，系统从低功耗状态转到正常的工作状态 4 在非低功耗状态下，程序接收键盘按键执行加法器操作(因为键盘和LCD限制不能实现复杂 5 的功能,如乘法、减法、除法等）.-1. Through the keyboard, LCD for ultra low-power experiment 2 over a period of time, if the user does not have keys to the operation, the system will enter a " sleep" - low-power status 3 users button, the system switch from the low-power state to normal working condition 4 in the non-low-power state, the implementation of procedures to receive the keyboard keys adder operation (because the keyboard and the LCD can not limit the complexity of the functions of 5, such as multiplication, subtraction, division, etc.).

实现公历与农历的转换一般采用查表法按日查表是速度最快的方法但51 单片机寻址能力有限不可能采用 按日查表的方法除按日查外我们可以通过按月查表和按年查表的方法再通过适当的计算来确定公历日所对应的 农历日期本文采用的是按年查表法最大限度地减少表格所占的程序空间-Limited can not be used In addition to a daily look-up table method of daily things that we can search through monthly and annual look-up table look-up table method and through the appropriate calculations to determine the calendar day corresponding to the Lunar date of this paper is the annual table look-up table method to minimize the space occupied by program

师哥们做的单片机键盘、液晶显示、AD/DA程序，C语言，函数算法很清晰-Division buddies to do the single-chip microcomputer keyboard, LCD, AD/DA process, C language, function algorithm is clear

两相四线步进电机驱动,控制程序.C语言编写-Two-phase four-wire stepper motor driver and control program. C language

DOS 下的VGA 转 TV的芯片控制源代码,汇编编写.可直接使用-DOS VGA chip to control TV source code, compile prepared. Can be used directly

AVR单片机中TWI(I2C)总线操作串行存储器24c02的C语言程序,如果要搞TWI串行总线的可以参考.程序总包括了单片机对24c02的写和读,用ICCAVR开发.-AVR MCU TWI (I2C) serial memory bus to operate 24C02 C-language procedure, if want to TWI Serial Bus can refer to. Procedures include single-chip microcomputer of the total 24C02 write and read, with the development of ICCAVR .

PIC24单片机程序示例。 目前这方面的资料较少。自己先顶一下。-PIC24 Singlechip sample procedures. At present, less information in this regard. Their first top-click.