电子设计大赛用C8051F020做的帆板控制系统一套完整的资料（包含程序），获得一等奖作品。-Electronic Design Contest windsurfing with C8051F020 do a complete set of information control system (including procedures), won the first prize works。

用C8051F020做的关于水温控制系统的一套资料，用到PID算法控制PWM波形来控制加热丝。-C8051F020 do with water temperature control system on a set of data, PID control algorithm is used to control the heating wire PWM waveform.