Cov txheej txheem:
- Kauj Ruam 1: Cov Ntaub Ntawv Xav Tau
- Kauj Ruam 2: PIR yog dab tsi (Passive InfraRed Sensor)
- Kauj Ruam 3: Daim duab Circuit Court
Video: Motion Security Tswb Nrog PIR: 4 Cov Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Koj puas tau xav tsim ib qhov haujlwm uas tuaj yeem txheeb pom muaj tus neeg nyob hauv chav? Yog tias yog, tom qab ntawd koj tuaj yeem ua qhov no yooj yim heev siv PIR (Passive Infra Red) Motion sensor. Qhov ntsuas lub suab tuaj yeem kuaj pom tus neeg nyob hauv ib chav. Yog li, koj tuaj yeem tsim cov phiaj xwm xws li lub tswb tub sab thiab cov cuab yeej siv khoom siv. Txuas lub ntsuas hluav taws xob no nrog rau Arduino thiab muab tso rau hauv koj chav los tsim kev tiv thaiv kev nkag mus.
Cov ntawv qhia no yuav qhia koj kom cuam tshuam lub suab txav nrog Arduino thiab siv nws los tsim lub tswb tub sab. Cov kab ke no pom tias muaj tus neeg nkag nkag hauv koj chav thiab xa lub teeb liab mus rau Arduino. Arduino tom qab ntawd tsim lub tswb nrov uas siv lub tswb nrov kom ua rau tus neeg nkag nkag tsis ntshai.
Kauj Ruam 1: Cov Ntaub Ntawv Xav Tau
- PIR Tsab ntawv tsa suab Sensor.
- Buzzer
- 9V Roj Teeb
- roj teeb hau
- hloov
- Txuas xov hlau.
- BC547
Kauj Ruam 2: PIR yog dab tsi (Passive InfraRed Sensor)
PIR Sensor - Ntau ntxiv txog PIR sensor
Yuav PIR Sensor - PIR
Ib tus neeg PIR sensor pom qhov hloov pauv ntawm qhov hluav taws xob infrared cuam tshuam rau nws, uas txawv nyob ntawm qhov ntsuas kub thiab cov yam ntxwv saum npoo ntawm cov khoom nyob rau hauv pem hauv ntej ntawm lub ntsuas. [2] Thaum ib yam khoom, xws li tib neeg, hla pem hauv ntej ntawm lub keeb kwm yav dhau, xws li phab ntsa, qhov ntsuas kub ntawm qhov ntawd hauv lub sensor qhov pom kev yuav nce los ntawm chav sov mus rau lub cev kub, thiab tom qab ntawd rov zoo dua. Lub ntsuas hluav taws xob hloov pauv qhov tshwm sim hauv cov hluav taws xob hluav taws xob nkag mus rau hauv kev hloov pauv hauv qhov hluav taws xob tso tawm, thiab qhov no ua rau pom qhov pom tseeb. Cov hom phiaj ntawm qhov kub zoo sib xws tab sis cov yam ntxwv sib txawv saum npoo kuj tseem yuav muaj qhov sib txawv ntawm cov pa hluav taws xob tso tawm, thiab yog li txav lawv nrog kev hwm rau keeb kwm yav tom ntej tuaj yeem ua rau lub ntsuas pom ib yam. [4]
PIRs tuaj hauv ntau qhov kev teeb tsa rau ntau yam kev thov. Cov qauv feem ntau muaj ntau qhov Fresnel lo ntsiab muag lossis ntu iav, qhov ua tau zoo ntawm kwv yees li kaum metres (peb caug ko taw), thiab thaj chaw pom tsawg dua 180 degrees. Cov qauv nrog kev pom dav dua, suav nrog 360 degrees, muaj-feem ntau tsim los txhawm rau nce saum qab nthab. Qee qhov PIRs loj dua tau ua nrog tsom iav ib leeg thiab tuaj yeem paub qhov hloov pauv ntawm lub zog hluav taws xob ntau dua peb caug meters (ib puas taw) ntawm PIR. Kuj tseem muaj PIRs tsim los nrog tsom iav rov qab uas tso cai rau kev nthuav dav dav (110 ° dav) lossis nqaim heev "kab hlau rhuav" kev pab, lossis nrog ntu ib leeg tuaj yeem xaiv "tsim" qhov kev pab them nqi. Kev txheeb xyuas qhov sib txawv [kho kom raug] Cov khub ntawm cov ntsiab lus sensor tuaj yeem siv tau ua qhov sib txawv ntawm cov tswv yim mus rau qhov sib txawv amplifier. Hauv qhov kev teeb tsa no, ntsuas PIR tshem tawm ib leeg kom qhov ntsuas kub nruab nrab ntawm thaj chaw pom raug tshem tawm ntawm cov teeb liab hluav taws xob; qhov nce ntawm IR lub zog thoob plaws tag nrho lub ntsuas hluav taws xob tau txiav tawm tus kheej thiab yuav tsis ua rau lub cuab yeej siv. Qhov no tso cai rau lub cuab yeej tiv thaiv qhov qhia tsis tseeb ntawm kev hloov pauv thaum tshwm sim ntawm qhov pom me me ntawm lub teeb lossis lub teeb pom kev thoob plaws. (Kev siv lub zog txuas ntxiv mus tseem tuaj yeem tuaj yeem ua rau cov ntaub ntawv sensor thiab ua rau lub sensor tsis tuaj yeem sau npe cov ntaub ntawv ntxiv.) Tib lub sijhawm, qhov kev sib txawv no txo qis kev cuam tshuam ib txwm, tso cai rau lub cuab yeej tiv thaiv qhov tshwm sim vim nyob ze cov chaw hluav taws xob.. Txawm li cas los xij, qhov sib txawv ntawm cov ntsuas tsis tuaj yeem ntsuas qhov kub hauv qhov teeb tsa no, thiab yog li ntawd tsuas yog muaj txiaj ntsig zoo rau kev tshawb nrhiav pom. Cov khoom tsim tawm [hloov kho] PIR sensor feem ntau tau teeb tsa ntawm lub rooj tsav xwm luam tawm uas muaj cov khoom siv hluav taws xob tsim nyog xav tau los txhais cov cim los ntawm lub sensor nws tus kheej. Kev sib dhos ua tiav feem ntau muaj nyob hauv ib lub tsev, tau teeb tsa hauv qhov chaw uas lub ntsuas cua tuaj yeem npog thaj tsam kom raug saib xyuas.
PIR tsab ntawv tsa suab sensor tsim
Cov tsev nyob feem ntau yuav muaj yas "qhov rai" los ntawm qhov uas lub zog infrared tuaj yeem nkag mus. Txawm hais tias feem ntau tsuas yog ua kom pom kev pom, lub zog hluav taws xob muaj peev xwm ncav cuag lub ntsuas cua los ntawm lub qhov rais vim tias cov yas siv yog pob tshab rau hluav taws xob tawg. Lub qhov rais yas txo txoj hauv kev ntawm cov khoom txawv teb chaws (plua plav, kab, thiab lwm yam) los ntawm qhov ua rau lub ntsej muag pom qhov tsis pom kev, ua rau lub tshuab puas tsuaj, thiab/lossis ua rau lub tswb tsis raug. Lub qhov rais tuaj yeem siv los ua lub lim dej, txhawm rau txwv qhov nthwv dej mus rau 8-14 micrometres, uas ze tshaj qhov hluav taws xob infrared tso tawm los ntawm tib neeg. Nws kuj tseem tuaj yeem ua haujlwm raws li lub hauv paus ntsiab lus; saib hauv qab no.
Kauj Ruam 3: Daim duab Circuit Court
Tha txuas txhua qhov tivthaiv saum toj no daim duab.
Pom zoo:
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