PID_controller_parameter_optimization

51-SPI-ST7585,用于C51 SPI方式驱动ST7585(51-SPI-ST7585, for SPI C51 mode driver ST7585 )

根据对应的按键值，对应输出相应的电容值，并做掉电检测(According to the corresponding key value, corresponding to the output of the corresponding capacitance values ​ ​ and do brownout detection)

大华DVR的SDK开发包,包括源码和开发文档.(Dahua DVR SDK development kits, including source code and documentation development.)

很好的单片机资料， 里面的串口实现实例很清楚， 而且内附C语言和ASM代码(Good chip data, which the serial implementation instance is very clear, with full C language and ASM code)

通过单片机控制74hc138译码芯片的源程序，初学者还对hc138比较糊涂的可以下来看看，会有帮助的。(Through the MCU to control 74HC138 decoding chip of the source, for beginners to hc138 confused can down to have a look, will help.)

实现数码管，矩阵键盘结合的计算器功能，基于51单片机的代码适合初学者参考(Realize the calculator function of the combination of digital tube and matrix keyboard)

说明：  一个关于蜂鸣器播放两只老虎的stm32f103c8t6工程(A project about buzzer playing two tigers)

ADS7843驱动的320240电阻型触摸屏。。由KEIL IDE 编译.作者讲解了自己的编程风格(Developed by KEIL IDE)

基于51单片机的遥控循迹蔽障小车，采用红外传感器完成循迹功能，SR04超声波传感器完成距离检测，避障以及跟随的功能。并自带上位机软件，实时观测距离以及其他数据量。

说明：  此软件包是以查询方式完成各种总线操作的，在使用前应对总线进行检查，并 * 使用看门狗，以防等待总线而造成死机。(This package is for all manner of operation of the bus, the bus should be used before the inspection, and* Use watchdog to prevent and wait for the bus caused lockups.)