本设计所研究的是实现一个宠物自动喂食器，即先将宠物饲料放入其中，通过设
声，吸引宠物过来进食并自动投放食物。本设计解决了工作时或节假日时由于主人不
在不能对宠物进行喂食，避免了宠物由于饮食不正常所产生的问题。
食。
关键词：智能；定时喂养；单片机AT89S52；
Abstract
Thestudydesignistoachieveanautomaticpetfeeder,petfeedintowhichwillsetthefive
fedpoint,whenyoureachthispointintime,automaticallyfeeding.Themainpointofhow
tosetthetimewithinthepetfoodputout.PetfeedersystemincludesMCUcontrol,
automaticswitchandmusicalertsystem,theremainingtimesettingsystem.Feederfeeding
process,thefiveremainingtimesetbythekeyboard,whentheorderreachesthefivetime,
whilethetimerchiptosendasignalrelayandmusic,musicplaybackchip,apieceofmusic
attractedthepet,therelayswitchisclosedSothataredlightemittingdiode,saidswitch
deliveryoffood.Thisdesignsolvestheholidayswhenworkornotisnottheownerofthe
pettofeed,toavoidthepetfoodisnotnormalbecausetheproblemsarising.
Throughoutthesystem,theuseofsinglechipcontrolsystemofeach.Countdowntothe
systemtimebysixoutofsevensegmentdigitaldisplay.Usingthekeyboardtosetthefive
remainingtime,microcontrollerreadsthestoptimeandtodeterminewhetherthefeeding
timearrives.Switchingsystembytherelayandthelight-emittingdiode,saidswitchis
closedwhentherelayreceivedhighlight-emittingdiode,saidswitchisrunningfeeding.Tip
hasamusicsystem,whenthearrivaltimeafterfeedingapieceofmusictipsmusicplayback