3、rolSystemforGreenhouse100697216LiMingjieTeacher:SuYanpingAbstractGreenhouseis the basicequipment necessaryfortheproduction of modernagriculture,Useitcaneffectivelycontrolthetemperature,humidityandilluminationofthegreenhouse,anditisthepremiseofchangedforplantgrowthtocreatethebestco
4、nditions,avoidchangingseasonsandsevereweatheroutsideofitsimpact.Thethesismainlyfocuson:thebaseblockdiagram,workingprincipleandthedesignofrelaycontrolwhichusetheSCMSTC89C52asthecoreofthesystemtocollect,handle,displaythedataoftheairtemperature,soilhumidityandlightilluminance.The mai