畢業(yè)設(shè)計——基于單片機人體反應(yīng)速度測試儀

1、沈陽工學(xué)院沈陽工學(xué)院畢業(yè)設(shè)計報告畢業(yè)設(shè)計報告題目：基于單片機人體反應(yīng)速度測試儀院系：信息與控制學(xué)院（黑三）專業(yè)：通信工程（黑三）班級學(xué)號：09304107（黑三）學(xué)生姓名：張三（黑三）指導(dǎo)教師：（黑三）成績：2014年06月25日AbstractThisarticleisbasedonsinglechipmicrocomputerhumanreactionspeedtestsdescribedthroughthesinglechipmi

2、crocomputertestresponsespeed.AT89S52MCUastheceinthedesignofthehumanbodyreactionvelocitytestermainlybycontrollingthestateofthetestlampinthestateofthetestbuttontoindirectcalculationofhumanbodyreactionspeed.Systemnmaloperat

3、ionofthemainprogramhasbeenidlewaitingstateknowthetesterafterpressthebuttontheLEDtestlamplightupimmediately.AT89S52singlechipmicrocomputerinLEDtotestthelightsatthesametimebegantocalculatearomtimeattheendofaromtimeAT89S52s

4、inglechipmicrocomputertesttheLEDlightsstarttiminglightstestersreleasebuttonlagthistimerisusedtorecdthesubjectsreactiontimeinmillisecondsastheunitoftimeinthefourdigitaltubedisplay.IftheLEDtestbefethelightswentoutearlyrele

5、asetestbutton9999astheerrmessageisdisplayed.DesignUSESAT89S52singlechipmicrocomputeritstohighperfmancelowpriceadvantagetobecomeoneofthewldscopethemostwidelyusedmicrocontrollerDisplaypartadoptsLEDdigitaltubedisplaythisset

6、ofsysteminthecaseofdoesnotaffectthetestperfmancegreatlysavethedesigncostisthehighcostperfmanceofahumanreactiontest.ComparedwithothertesterhasobviouspricecompetitiveadvantageAtthesametimetheuseofthisdesignmethodissimpleju