[毕业设计精品]基于18b20的温度采集系统

基于18b20的温度采集系统目录a1a0.1a3a4a5a2a6a7a8a0a9.3a11a4a12a10a13a14.3a16a4a13a14a5a2a15a17a18.4a20a4a21a19a22a21a23.8a25a26a27a24a28a29a3019a32a4a33a31a34a35.19a37a4a38a33.20a39a4a5a2a36a40a15a41a42a43a44a45a46a47.20a49a48a26.摘要本文介绍了基于DS18B20的温度实时采集与显示系统的设计与实现。设计中选取单片机STC89C52作为系统控制中心，数字温度传感器DS18B20作为单片机外部信号源，精度较好的数码管来显示温度。利用单片机程序来完成对STC18B20与AT89C52的控制，最终实现温度的实时采集与显示。关键词：DS18B20STC89C52温度采集数码管Abstract:ThispaperintroducesthetemperaturebasedonSTC18B20real-timedataacquisitionanddisplaysystemdesignandimplementation.DesignofSTC89C52assystemselectionsingle-chipmicrocomputercontrolcenter,anddigitaltemperaturesensorDS18B20asexternalsources,microcontrolleraccuracythangooddigitaltubetodisplaytemperature.UsingmicrocontrollerprogramtoaccomplishDS18B20andAT89C52singlecontroltemperature,andfinallyachievethereal-timedataacquisitionanddisplay.Keywords:DS18B20AT89C52singletemperaturegatheringdigitaltube.一、设计任务和要求1、利用DS18B20实现温度采集，并用数码管显示。能实现温度上下限的设置，并能够超限报警2、硬件设计部分，根据设计的任务选定合适的单片机，根据控制对g16949设计g6521g2487g11017g17347。设计的单g1815g11017g17347g5529g20047g7389g5049作g2419g10714,器件的作用,分g7524g2656计g12651g17819程g727g22、g17731件设计部分，根据g11017g17347g5049作g17819程，g11023g1998g17731件g8981程g3282，根据g8981程g3282g13546g1901g11468g5224的程序，g17839g15904g16855g16809并g6183g2372程序g9177单g727g23、g2419g10714g3282设计部分，根据g6164g11842定的设计g11017g17347，利用g51rotelg5049g1867g17731件g13484制g11017g17347g2419g10714g3282，g6564g1391g1815器件g9177单。5a50a51a52a53a54a55a56a57a58a59a60a61a55二、系统方案方案一:g11013于本设计g7171g8991温g11017g17347，g2499g1209g1363用g9921g6947g11017g19471g1055g12879的器件利用g1866感温g6940g5224，g3324g4570g19555g15999g8991温度g2476g2282的g11017g2399g6122g11017g8981采集g17819来，g17839g15904Ag18Dg17728g6454g2530，g4613g2499g1209用单片机g17839g15904数据的g3800g10714，g3324显示g11017g17347上，g4613g2499g1209g4570g15999g8991温度显示g1998来，g17837g12193设计g19668g16213用g2052Ag18Dg17728g6454g11017g17347，感温g11017g17347g8616较g21647g9914。方案二:g17839g13792g13783g15397g2052用温度传感器，g3324单片机g11017g17347设计中，g3835g3822g18129g7171g1363用传感器，g6164g1209g17837g7171g19762g5132g4493g7143g5831g2052的，g6164g1209g2499g1209采用g980g2494温度传感器DS18B20，g8504传感器，g2499g1209g5468g4493g7143g11464g6521g16847取g15999g8991温度g1552，g17839g15904g17728g6454，g4613g2499g1209g9397g17287设计g16213g8726。a62a63a64a65a66a67a68a69a70a71a72a73a74a69a75a76a67a68a77a69a78a79a80a81a82a83a69a84a85a86a87a88a80a81a82a83a69a89a75a76a90a67a68a77a91三：方案设计与论证1温度采集模块方案一：采用g10802g3775Sensiriong1856g2508g11752制的SHT11g3423g7246能g2282g9299度/温度传感器，g4439采用CMOSensg999利g6228g7427g708CMOSg2656传感器g6228g7427的g15713合g709，外g5430g4622g4556g4579。g4439g1867g7389I2Cg5647g13459g6521g2487，g6521g2487g11017g17347g12628单，并g1867g7389数字g5347g17767g1998、g1825g16855g16809、g1825g7643定、g980g14280g5627好的g10317点。g1866g11017g17347g2419g10714g3282如g32821g6164示。因g1866价格较贵，g6164g1209不采用g8504方案。g32821SHT11g11017g17347g2419g10714g3282方案二：采用DALLASg1856g2508推g1998的g980g13459g5347数字温度传感器DS18B20，该芯片的管脚g12628单，无g19668外围硬件设备即g2499g17839g15904温度g8991量，与单片机交g6454信息仅g19668g980根I/Og2487g13459，g3822个DS18B20g2499g1209并联g20523根g61222根g13459上，实现g3822点g8991温。CPUg2494g196681根端g2487g13459g4613能与诸g3822DS18B20通信，占用微g3800g10714器的端g2487较少，g2499g1209节省g3835量的引g13459g2656逻辑g11017g17347。温度g8991量范围为-55125，固g7389g8991温分辨率为0.5，符合本设计的g16213g8726，g2499g13546程为912位A/Dg17728g6454精度，用户g2499自设定g19762g7143失g5627的报警上下限g1552，支持g3822点组网功能。g1867g7389负g2399g10317g5627，g11017源极g5627g6521反时，温度计不会因发g9921g13792烧毁，g2494g7171不能正g5132g5049作g13792已。g15999g8991量温度用符号扩展的16位数字量方g5347g17767g1998，g13792且g1866体积较g4579，方便焊g6521，因g8504采用g8504方案。g1866g11017g17347g3282如g32822R14.7kp1.1vccp1.2DQp3GNDR24.7kVCCDQg32822温度采集g11017g17347g32822显示电路模块单片机扫描键盘得g2052功率预置g1552，通g17819P0的8位IOg2487控制选定数码管，P2的8位IOg2487控制数码管显示，g4570该g1552送g2052LED显示器中显示。g1866硬件g2419g10714如g32823g6164示。但g8504方案设备体积g3835，功耗g3835，因g8504不建议g3324实际g5224用中选用g8504方案。abcdeffdpabfcgdeDPY1234567abcdefg8dpdp9sbitDPY_7-SEG_DPabcdefgdpabfcgdeDPY1234567abcdefg8dpdp9sbitDPY_7-SEG_DPabcdefgdpabfcgdeDPY1234567abcdefg8dpdp9sbitDPY_7-SEG_DPabcdefgdpabfcgdeDPY1234567abcdefg8dpdp9DPY_7-SEG_DPabcdefgdpQ1PNPQ2PNPQ3PNPQ4PNPsbit1sbit2sbit3sbit1sbit2sbit3sbit4VCCg32823：显示模块3报警模块g8504模块g2419g10714g12628单，g1363用单片机的g980个IOg2487控制蜂鸣器的响灭。如g32825a92a93a94a95a96a97a98a99a100a101a102a103a104a105a106a107a108a102IOa109a99a100a110a111a112a113a114a115a116a117a118a119a120a121a122a123a124a125a126a127a128a92a93a94a129a130a99a100a131a132a122a133a134a135a124a114a115a116a117a118a119a120a121a122a136IOa109a137a119a138a131a139a122a92a93a94a140a127a122a141a131a93a131a132a127a128a115a116a117a114a115a116a117a118a119a120a121a122a136a137a119a138a131a139a142a122a92a93a94a143a144a122a145a146a131a132a132a128a115a116a117a122a123a124a147a112a148a118a119a120a121a103fmqVCCQ5PNPR14k7g32824：报警模块4按键模块按键模块主g16213g7171为了达g2052如下两个个功能：(1)乙机任意控制甲机g4613g15904温度的g17728g6454g727(2)g3324不g19668g16213查询温度时乙机g2499g1209控制甲机断g11017，g2052g19668g16213时g3324对g1866g1391g11017，g1209达g2052节约g11017能的目的。(3)控制乙机自身的开关g1209及复位作用。(4)g2419g10714g3282如下：g1866中，S控制乙机自身的开关。S1.S2与K1控制甲机的开关。(5)S3.S4控制甲机g7171否g4613g15904温度g17728g6454。S1S2S3S4STIT2T3T4VCCVDDK1VDDJPT5C4104D14148Q6PNPVCCR24k7图5：按键模块5最小系统模块g1866g5049作g11017g17347g32826g6164示P20GND40VCCP19X2P18X11P1.02P1.13P1.24P1.35P1.46P1.57P1.68P1.79RST10RXD(P3.0)11TXD(P3.1)12NINT(P3.2)21P2.022P2.123P2.224P2.325P2.426P2.527P2.628P2.739P0.038P2.137P2.236P2.335P2.434P2.533P2.632P2.731VDD13NINT(P3.3)14T0(P3.4)15T1(P3.5)16P3.617P3.789C52Y111.592MC133PC233PS0+C12.2ufR010kVCCabcdeffdpT1T2T3T4VCCg3282651最g4579系统模块g11017g17347g3282电路设计文档a149a150a151a152a153R14.7kp1.1vccp1.2DQp3GNDR24.7kDQP20GND40VCCP19X2P18X11P1.02P1.13P1.24P1.35P1.46P1.57P1.68P1.79RST10RXD(P3.0)11TXD(P3.1)12NINT(P3.2)21P2.022P2.123P2.224P2.325P2.426P2.527P2.628P2.739P0.038P2.137P2.236P2.335P2.434P2.533P2.632P2.731VDD13NINT(P3.3)14T0(P3.4)15T1(P3.5)16P3.617P3.7Y111.592MC133PC233PS0+C12.2ufR010kK1VDDJPT5JPJPJPa154a155a156a157a158四：程序流程图甲机P20GND40VCCP19X2P18X11P1.02P1.13P1.24P1.35P1.46P1.57P1.68P1.79RST10RXD(P3.0)11TXD(P3.1)12NINT(P3.2)21P2.022P2.123P2.224P2.325P2.426P2.527P2.628P2.739P0.038P2.137P2.236P2.335P2.434P2.533P2.632P2.731VDD13NINT(P3.3)14T0(P3.4)15T1(P3.5)16P3.617P3.789C52Y111.592MC133PC233PS0+C12.2ufR010kabcdeffdpabfcgdeDPY1234567abcdefg8dpdp9sbitDS3DPY_7-SEG_DPabcdefgdpabfcgdeDPY1234567abcdefg8dpdp9sbitDS2DPY_7-SEG_DPabcdefgdpabfcgdeDPY1234567abcdefg8dpdp9sbitDS1DPY_7-SEG_DPabcdefgdpabfcgdeDPY1234567abcdefg8dpdp9sbitDS4DPY_7-SEG_DPabcdefgdpQ1PNPQ2PNPQ3PNPsbit1sbit2sbit3sbit4sbit2sbit3sbit4VCCfmqVCCLSSPEAKERQ5PNPS1S2S3S4STIT2T3T4VCCK1VDDJPT5T1T2T3T4vccR1fmqC4104D14148Q6PNPVCCR24k7T5a159a160a161a162a163a164a165a166a167a168a161a162a163i=1a169Ya170a171a172a173a174a175ia176a164a165a166T0i=2a169Na177a164a165a166T0a176a162主程序a178a179主程序的主g16213功能g7171等待g6521收乙机g7171否发送启动温度g17728g6454的命令，g7171，则开始g4613g15904温度g17728g6454，并发送给乙机。g1866程序g8981程见g32828g6164示。a180a181a182a183a184a185voidmain()TMOD=0X21;TH1=0Xfd;TL1=0xfd;TH0=0x3c;TL0=0XB0;TR0=0;TR1=1;SCON=0x50;EA=1;ET0=1;while(1)while(!RI)i=SBUF;RI=0;if(i=1)TR0=1;elseif(i=2)TR0=0;温度采集子程序a186a187a188a189a190a191a192a193a194a195a196a197a198a199a200a193a194a201a202a203a187a188a204a205a206ucharReadTemperaure()ucharTH,TL,zong;init_18b20();xie(0xcc);xie(0x44);delay(125);init_18b20();xie(0xcc);xie(0xbe);18B20a207a208a209a193a194a195a196a210a211a212a213a214a215a199a200a193a194a201TL=du();TH=du();zong=(TH4);returnzong;写入子程序a186a187a188a216a217a190a218a219a220a221a210a211a222a22318B20a224a197a203a187a188a204a205a206voidxie(uchardat)uchari;DQ=1;delay(1);for(i=8;i0;i-)DQ=0;DQ=datdelay(5);DQ=1;dat=1;delay(4);a222a223a207a208a209i=8a225a226a227a228a210a211a229a230ifi=0a210a211a231a232Ya222a223endN读取子程序a233a234a190a23518B20a224a212a236a237a238a239a240a225a210a211a203a187a188a204a205a206uchardu()uchartemp=0,i;for(i=8;i0;i-)/DQ=1;/delay(1);DQ=0;temp=1;DQ=1;delay(1);if(DQ)temp|=0x80;delay(5);a212a236DQa241a242a243a244a245a246a247If(i0)a248a2491a247a250a251a252a253YNa254a255a157a0a1returntemp;中断函数a147a2a3a4a5a6a7a65a149a8a9a254a10a11a12a13a14a15a147a2a3a16a55a144a17a18a19a20a26voidzhongd()interrupt1TH0=0x3c;TL0=0XB0;t+;if(t=20)t=0;i=ReadTemperaure();SBUF=i;while(!TI);TI=0;TH0,TL0a157a0a1t+t=20?t=0a188a149a8a21a22YNa161a149a8a23a24a243a25a27a250a251TI=0;乙机a28a29a30a31a32a33a34a35a36a37a28voidmain()a178a38a39a40a4101a42b=1a42YS2=0a136Ya178a38a39a40a4102a42b=0a42S3=0?aa158a43a44a113a=1a119a44jdqa158a43a45Yb=1a136Ya169a46a47a48i30a136Ya87a49a50a51a52Na143a53a50a51a52NNNNNa129a54a56a57a58a131a59S1=0?uchara=0,b=0;TMOD=0X20;TH1=0Xfd;TL1=0xfd;/TL0=0XF0;/TH0=0xF0;SCON=0x50;TR1=1;/TR0=0;/ET0=1;EA=0;ES=1;jdq=0;while(1)if(!s1)SBUF=0X01;while(TI=0);TI=0;EA=1;b=1;if(!s2)EA=0;SBUF=0X02;while(TI=0);TI=0;wei=1;P0=0xff;wei=0;b=0;if(!s3)delayms(10);while(!s3);a=!a;jdq=!jdq;if(b)disp(i);if(i=30)fmq=0;elsefmq=1;显示函数：a60a61a62a63a64a66a67a68a69a70a71a72a73a74a75a76a77a78a79voiddisp(unsignedchartemperature)staticunsignedcharnum=0;num+;num=num%3;wei=1;P0=tablewnum;wei=0;P0=0x00;duan=1;switch(num)case2:P0=tabledtemperature%10;break;num+a194numa195a68a69a70a71a72a71a72a64a66a63a194numa171a196a805mscase1:P0=tabledtemperature/10%10;break;case0:P0=tabledtemperature/100;break;default:;duan=0;P0=0XFF;delayms(5);中断函数a79a185a81a82a67a83a84a85a86a88a61a89a90a185a91a63a64a66a73a74a75a76a77a78a79voidzhongd2()interrupt4RI=0;i=SBUF;P1=i;a89a90a74a75a76a79#include#defineucharunsignedchari=SUBFRI=0;a92a93#defineuintunsignedintvoiddisp(unsignedchartemperature);sbitDQ=P22;unsignedchari=20;uchart;voiddelay(uchartime)ucharn=0;while(n0;i-)DQ=0;/delay(1);DQ=datdelay(5);/10DQ=1;dat=1;delay(4);uchardu()uchartemp=0,i;for(i=8;i0;i-)/DQ=1;/delay(1);DQ=0;temp=1;DQ=1;delay(1);if(DQ)temp|=0x80;delay(5);returntemp;ucharReadTemperaure()ucharTH,TL,zong;init_18b20();xie(0xcc);xie(0x44);delay(125);init_18b20();xie(0xcc);xie(0xbe);TL=du();TH=du();zong=(TH4);returnzong;voidmain()TMOD=0X21;TH1=0Xfd;TL1=0xfd;TH0=0x3c;TL0=0XB0;TR0=1;TR1=1;SCON=0x50;EA=0;ET0=1;while(1)while(!RI)i=SBUF;RI=0;if(i=1)EA=1;elseif(i=2)EA=0;/disp(i);voidzhongd()interrupt1TH0=0x3c;TL0=0XB0;t+;if(t=20)t=0;i=ReadTemperaure();SBUF=i;while(!TI);TI=0;TI=0;乙机源程序：#include#defineucharunsignedchar#defineuintunsignedintcodeuchartabled=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;codeuchartablew=0xfe,0xfd,0xfb,0xf7,0xef,0xdf;sbitduan=P26;sbitwei=P27;sbits1=P34;sbits2=P35;sbits3=P36;sbitfmq=P23;sbitjdq=P24;uchari=0;voiddelayms(unsignedcharz)unsignedchari;while(z-)for(i=112;i0;i-);voiddisp(unsignedchartemperature)staticunsignedcharnum=0;num+;num=num%3;wei=1;P0=tablewnum;wei=0;P0=0x00;duan=1;switch(num)case2:P0=tabledtemperature%10;break;case1:P0=tabledtemperature/10%10;break;case0:P0=tabledtemperature/100;break;default:;duan=0;P0=0XFF;delayms(5);voidmain()uchara=0,b=0;TMOD=0X20;TH1=0Xfd;TL1=0xfd;/TL0=0XF0;/TH0=0xF0;SCON=0x50;TR1=1;/TR0=0;/ET0=1;EA=0;ES=1;jdq=0;while(1)if(!s1)SBUF=0X01;while(TI=0);TI=0;EA=1;b=1;if(!s2)EA=0;SBUF=0X02;while(TI=0);TI=0;wei=1;P0=0xff;wei=0;b=0;if(!s3)delayms(10);while(!s3);jdq=!jdq;if(b)disp(i);if(i=30)fmq=0;elsefmq=1;voidzhongd2()interrupt4RI=0;i=SBUF;五：元器件清单远程温度采集系统元器件清单g1815器件名称数量晶振11.0592M2陶瓷g11017g4493g22g22g51Fg23g11017解g11017g449322uf1g11017g19471g23.7K1g22单片机89S522传感器DS18B201弹g5627按键g23蜂鸣器1自锁开关1继g11017器SRD-05VDC-SL-C1三极管g51g49g51g25数码管g43S-5101BS2g23g51CBg75072块g4560g13459g14521g5190六、项目测试报告时间：2011.11.2611：20：68地点：实训楼404教室条件：室温。测试结果：1：各按键部分能达到预期效果。按键模块合格2：能正常显示室温，用手捏住18B20时，温度能上升。温度与钟表上一致，温度采集与显示模块合格。3：当人为使温度超过四十度时，蜂鸣器能发出警报声。报警模块合格。七、总结g13475g17819三个g7155g7411的g4410g7669，g17819程g7366g6252g2499g16871g980g16833g19602g4625。g3324g8504g7411g19400g6117g1216g1075失g14865g17819，g1075g7378g980度g9921g5785g20652g9084。g1186开始时g9397g4512g11439g9620g5785g2052最g2530g8747g8712g13984g2530的复g7446心g5785，点点g9416g9416无不令g6117g3250g2631无g19283。g10995g8975g4613g7171g17837g7691，g8747g8712预示g11540g13479g7536g1075见g16789g11540收g14731。g2183动g7171g1166g12879g10995g4396g10995g8975g8716g5670不g2476的g16817g20076。通g17819实g1076，g6117g6177g11507正g20058g11065g2052g256g14404g14522g3871g7019g257g17837g980词的g11507正g2559g1053，g6117g6177意g16794g2052g13781g980g17756g11017g4388设计为g6117g1216的g12050会g1196g1998。g6117g5831g16840，设计g11842实g7389g1135g17775g14522，但g14522中g1075g7389g1060，g3324如g1182单g980的g10714g16782g4410g1076中，g5468少g7389机会能g7389实g17353的机会，但g6117g1216g2499g1209，g13792且设计g1075g7171g980个g3254g19443的任务，g980g17227的g5049作g2499g1209g16765g6117g1216g7389g16840g7389g12517，g11468g1126g5122g2173，g18209合g21676g3877，g3822少g1166g19400g8438g1060g3324g17837g18336g8934下，g3835g4410g18336g980g5192的g11468g3800g17836g17226不上g17837g2325来g3837的合作，g6117感g16285g6117g2656g2528g4410g1216g1055g19400的g17329g12175g7368g2164g17829了g727g6117g5831g16840，g11842实g5468g13059，但g5415g6117g1216g11487g2052自g5061g6164g1582的成g7536时，心中g1075不g1825g1147g10995g1864g3871g727正g6164g16871g256三g11346g1857g2325g15904，g15904g15904g1998g10378g1815g257。g6117g1216g2528g7691g2499g1209为g12050会作g1998g6117g1216g5224该g1582的g980g2011，g17837g7389g1172g1052不好g731g6117g1216不断的反g19394自g5061。g1075g16780g7389g1166不g2928g8438g17837g12879的g5049作，g1075g16780g7389g1166g16760为设计的g5049作g7389g1135g7555g10169，但g6117g1216g16760为无g16782g5190g1172g1052，g2494g16213g1166g10995g8975的g7389意g1053g4613g2499。g12050会g19668g16213g6117g1216，g6117g1216g1075g2499g1209为g12050会g13792g5049作。g7094然如g8504，那g17836g7389g1172g1052g5529g16213失g14865呢g731于g7171g6117g1216决定沿g11540自g5061的g17347，执g11540的走下去。g2528时g6117g16760为g6117g1216的g5049作g7171g980个g3254g19443的g5049作，g3254g19443g19668g16213个g1166，个g1166g1075g12175不开g3254g19443，g5529g20047发扬g3254g13479协作的精神。某个g1166的g12175群g18129g2499能g4560g14280g4560g14280整项g5049作的失败。实g1076中g2494g7389g980个g1166知道g2419g10714g7171远远不够的，g5529g20047g16765每个g1166g18129知道，否则g980个g1166的错误，g4613g7389g2499能g4560g14280整个g5049作失败。g3254g13479协作g7171g6117g1216实g1076成功的g980项g19762g5132重g16213的保g16789。g13792g17837次实g1076g1075正好锻炼g6117g1216g17837g980点，g17837g1075g7171g19762g5132宝贵的。对g6117g1216g13792言，知g16794上的收g14731重g16213，精神上的丰收g7368g2164g2499g2928。挫g6252g7171g980份财g4512，g13475历g7171g980份拥g7389。g17837次g4410g1076g5529g4570成为g6117g1166g10995旅途上g980个g19762g5132美好的g3250忆！通g17819g17837次课程设计g1363g6117懂得了g10714g16782与实际g11468g13479合g7171g5468重g16213的，g2494g7389g10714g16782知g16794g7171远远不够的，g2494g7389把g6164g4410的g10714g16782知g16794与实g17353g11468g13479合g17227来，g1186g10714g16782中得g1998g13479g16782，g6177能g11507正为g12050会服务，g1186g13792g6564g20652自g5061的实际动手能力g2656独立思g13783的能力。g3324设计的g17819程中遇g2052g19394g20076，g2499g1209g16840得g7171困g19602重重，g17837毕竟第g980次g1582的，g19602g1825会遇g2052g17819各g12193各g7691的g19394g20076，g2528时g3324设计的g17819程中发现了自g5061的不g17287g1055g3800，对g1209前g6164g4410g17819的知g16794g10714解得不够深刻，掌握得不够牢固。g17837次课程设计终于顺利完成了，g3324设计中遇g2052了g5468g3822g999业知g16794g19394g20076，最g2530g3324g13781师的g17775勤指g4560下，终于游逆g13792解。g2528时，g3324g13781师的身上g6117g1216g4410g1075g2052g5468g3822实用的知g16794，g3324次g6117g1216表示感谢！g2528时，对给g17819g6117g5122g2173的g6164g7389g2528g4410g2656各位指g4560g13781师再次表示忠心的感谢！八、设计体会与今后的改进意见本系统采用采用单片机g2656数字温度g17728g6454器DS18B20来实现,g1867g7389主机g6521g2487g12628单,g13479构灵g8975,g16855g16809方便等g10317点,实验g13479g7536表明g17837g12193g8991温系统g17728g6454速度快、精度g20652。g3250顾g17227g8504次课程设计，g6117g1216感慨颇g3822，g1186选g20076g2052定稿，g1186g10714g16782g2052实g17353，g3324整整两g7155g7411的日g4388g18336，g2499g1209g16840得g7171g14522g3822于甜，但g7171g2499g1209g4410g2052g5468g3822东西。g17837次实g1076不仅巩固了g1209前g6164g4410g17819的知g16794，g13792且g4410g2052了g5468g3822g3324书本上没g7389的知g16794。通g17819g17837次课程设计，g6117g1216得g2052了g980g1135g5049程项目知g16794，懂得了g10714g16782与实际g11468g13479合g7171g5468重g16213的，g2494g7389g10714g16782知g16794g7171远远不够的，g2494g7389把g6164g4410的g10714g16782知g16794与实g17353g11468g13479合g17227来，g1186g10714g16782中得g1998g13479g16782，g6177能g11507正g6564g20652自g5061的实际动手能力g2656独立思g13783的能力。g3324设计的g17819程中，g6117g1216g13475g5132遇g2052g19394g20076，g2499g1209g16840g7171困g19602重重，g17837毕竟第g980次g1582，g19602g1825会遇g2052g17819各g12193各g7691的g19394g20076，g2528时g3324设计的g17819程中发现了自g5061的不g17287g1055g3800，对g1209前g6164g4410g17819的知g16794g10714解得不够深刻，掌握得不够牢固，通g17819g17837次课程设计g1055g2530，g980定把g1209前g6164g4410g17819的知g16794重新温故。虽然两个周的课程设计g17819去了，但g8504次课程设计暴露了g6117不少g19394g20076，虽然g3324课堂上g6117g4410了不少东西，但g5415g1196诸于实际时却摸不g11540头脑，g6164g1209g6117g1216不但g16213g4410g1076知g16794，g17836g16213g3324实g17353中运用知g16794，g1582g2052游刃g7389余。不管g7171g3324g1209g2530的g5049作g6122g4410g1076中，g6117g18129会全力g1209赴，积极思g13783，勇于探索，不断创新。a94a95a96a97a98a99a100a101a102a103a104a105a106a107a108a109a110a111a112a114a115a116a117a118a120a121a122a123a114a115a124a125a126a122a123a127a128a130a107a130a132a133a134a135a94a137a138a134a139a140a141a142a145a146a105a106a148a150a126a151a152a153a154a126a155a156a159a160a156a162a163a118a164a165a166a116a117a167a168a110a111a133a156a170a94a137a138a107a172a173a174a134a139a175a175a176a124a94a167a177a179a104a95a96a97a180a181a107a182a183a126a184a159a186a107a187a189a190a191a107a192a193a197a198a133参考文献：单片机应用技术王静霞电子工业出版社互联网上相关资料附录：核心元件的功能（本节资料来源互联网）STC89C52单