polymer-tutorial-master

单片机控制SIM900A模块 短信电话语音提示按键操作远程控制 短信报警 带电路原理图 代开发的项目 发上来共享(SCM control module SMS phone voice prompts SIM900A key operation SMS alarm with remote control circuit diagram generation development projects made up sharing)

实现函数发生，基于51单片机的汇编语言，可以实现正弦波，方波，三角波，锯齿波，频率可调(Realization function generator, based on 51 single-chip assembly language, you can achieve sine, square, triangle, ramp, adjustable frequency)

51单片机led流水灯例程，利用查表法显示8个led流水灯效果(51 single led light water routine, use a lookup table to display 8 led light water effects)

单片机的protues仿真实验，包括单片机最小系统，AD1208，DA1674,AT24C02的仿真(SCM protues simulation experiments, including the smallest single-chip system, AD1208, DA1674, AT24C02 simulation)

飞思卡尔单片机锁相环程序，详细说明了锁相环的配置步骤以及计算方法(Freescale MCU PLL procedures, a detailed description of the PLL configuration steps and calculation methods)

PIC单片机下驱动SSD1963控制器，控制800*480,自己研究的，多多指教(PIC microcontroller to drive SSD1963 controller, the control 800* 480, their own research, exhibitions)

基于51单片机的RTC实时时钟例程，包括源码和芯片手册以及DS1302电路图(51 microcontroller-based RTC real time clock routines, including the source and chip manual and DS1302 circuit diagram)

RC522 SPI接口的51单片机程序例程(RC522 SPI)

超声波测距，ds18b20温度传感器测温度并补偿声速，LCD1602显示温度 距离，还有蜂鸣器报警( Ultrasonic ranging, ds18b20 temperature sensor measures the temperature and compensates the speed of sound, LCD1602 display temperature distance, as well as the buzzer alarm)

一个简单的pid模型。运行后可以获得pid控制曲线。通过修改p/i/d的参数，观看控制曲线的变化。(A simple pid model running under matlab. It could simulate and output the PID curve with manual setting p/i/d values.)