HCS

离散增量式PID，可把ABC当成比例，积分，微分常数，以及LG4200D+AX345三轴加速度，三轴陀螺仪读取原始数据。(Discrete incremental PID can treat ABC as proportional, integral and differential constants.)

SSD2119触摸屏的控制器资料，是英文的，适合240*320的tft液晶(SSD2119 controller touch screen information is in English, suitable for LCD 240* 320 tft)

说明：  通过51单片机控制驱动芯片298控制两个步进电机画圆的程序(From 51 single-chip control two stepper motors to draw the program)

stm32单片机全功能bootloader，包括SD，串口，网口，和USB。选择条件编译(stm32 SCM fully functional bootloader, including SD, serial port, Ethernet port, and USB. Select conditional compilation)

汽车GPS 跟踪系统,并超速防盗报警,8051代码(Car GPS tracking system, and speeding burglar alarm, code 8051)

实现很好的时间延时控制，用到计时器，使小灯闪烁，并且还有延时程序，有很好的注释，还有显示功能，管脚连接标注声明明确，真的是很好的程序，自己编的。

小车控制，蓝牙通信 温湿度传感器驱动 pm2.5传感器驱动(Car Control, Bluetooth Communication Temperature and Humidity Sensor Drive PM2.5 Sensor Drive)

51单片机从RX获取GPS信息再操控TX用GSM模块发送至制定手机(51 microcontroller to obtain GPS information from the RX to control TX with GSM module to send to develop mobile phone)

iOS 网络状态监测。网络实时检测，用到Reachability（自行下载）,需加框架:SystemConfiguration.framework ios程序需要用到网络检测，有些程序是刚启动时检测一次，而有些则从头到尾检测网络状态。(IOS network status monitoring.Real-time detection and Reachability (download), frame: SystemConfiguration.framework IOS programs need to use network detection, some detection once when the program is launched, while others detect the network status start to finish.)

LED流星雨拖尾灯程序,其亮灯过程像一只小蝌蚪一样，头大尾小。(LED meteor shower trailer taillights program.)