DS18B20-serial-number-read-and-match

说明：  纯数字电路实现4位密码锁，15秒倒计时功能，简易原器件，课程设计，proteus仿真(Pure digital circuit to achieve 4-bit password lock, 15 seconds countdown function, simple components, Proteus simulation, curriculum design)

stm8l15x软件模拟I2C,使用模拟I2C读写AT24C512(stm8l15x software simulation I2C, analog I2C write AT24C512)

2nd attempt but quite failed

说明：  入门教程，给单片机初学者43个实验教程，(Introductory tutorials, 43 experimental tutorials for beginners of microcontroller.)

VSG等效为SG的visio构图，可以直接复制到word中，visio2010制作，vsd格式(VSG as SG，made by MS visio2010)

基于stm32单片机平台的光敏电阻光亮度采集代码(STM32 microcontroller platform based on light sensitive light acquisition code)

简单的51单片机控制驱动,功能简单,可以调节转速,适合新手学习.(Simple 51 SCM control drive, a simple function, you can adjust the speed, suitable for beginners to learn.)

搭建onvif设备端代码 非常有用，可以配合ONVIF Device Manager测试(Device-side code to build onvif)

AVR单片机 定时器的应用 初始化 以及中断程序(AVR microcontroller timer application initialization and interrupt routine)

stc12c5a60s2单片机采集心电传感器的电压信号，并在lcd12864上显示心电数字。 误差特别小。(A voltage signal STC12C5A60S2 singlechip collects the ECG sensor, and display of ECG digital in lcd12864. Especially small error.)