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全自动可遥控旗帜升降系统以AVR单片机为核心，由PWM对电机进行变频调速，高精度光电编码器测速，闭环式电路控制。能够利用按键输入相应的指令控制旗帜的升降，还可以实现在特定位置停留的功能。利用LCD可以显示旗帜的实时高度和相应的控制命令，用LED指示旗帜是否处于半旗状态，具有语音提示报警功能，并可利用无线模块实现遥控功能，准确均匀地实现旗帜的升降(Automatic landing system can be remote-controlled flag to AVR microcontroller core of the PWM VVVF motor, high-precision optical encoder gun, closed-loop control circuit. Enter the appropriate button to take advantage of the command control of the rise and fall of the flag, but also can stay in the function of a specific location. LCD can display the banner of the use of real-time high and the corresponding control command, the LED is directed at the flag half-mast, and alarm functions with voice prompts, and the use of wireless remote control function module, to achieve uniform and accurate take-off and landing flag)

基于STC89C52单片机实现中断LED数码管显示及处理的程序，适合初学值使用(Based STC89C52 MCU interrupt LED digital display and processing procedures, suitable for beginners to use the value)

说明：  天气微服务架构图，主要讲接微服务架构设计以及各种组件各种解耦(Weather Microservice Architecture)

LPC1788的LCD模块驱动程序，C语言环境下写成(LPC1788 LCD DRIVE)

基于STC89C51的红外解码程序，并且在数码管显示(STC89C51 based infrared decoding procedures, and in the digital display)

说明：  单片机发出pwm波并ADC采样，。。利用pid调节占空比(Microcontroller sends out PWM wave and ADC sampling)

一种基于AT89S52单片机的光电开关转速测量系统的设计。系统采用反射式光电开关产生与齿轮相对应的脉冲信号，使用AT89S52单片机采样脉冲信号并计算每分钟内脉冲信号的数目，即电机对应的转速值，最终系统通过数码管实时显示电机的转速值(A photoelectric switch based on AT89S52 Microcontroller speed measurement system design. The system uses a reflective photoelectric switch with the gear corresponding to the pulse signal, the microcontroller AT89S52 sampling pulse signal and calculate the number of pulse signals per minute, the motor speed value corresponding to the final system in real time by digital tube display the value of the motor speed)

msp430的矩阵键盘，通过芯片7289来控制，可以试试，实测通过(fahdlgashgldasjglasjgasgjlklsdjk)

EX49_STEP MOTOR IR 红外遥控步进电机演示程序 使用红外遥控器对步进电机的转动方向和速度进行控制 通过1602液晶显示红外遥控器键值编码，(EX49_STEP MOTOR IR Infrared remote control stepper motor demo program Use infrared remote control to control the stepper motor rotation direction and speed 1602 LCD infrared remote control key coding)

八月桂花 单片机 c语言 源程序 蜂鸣器 能通过蜂鸣器发出八月桂花歌曲 (August osmanthus SCM c language source buzzer buzzer August osmanthus through song)