Peb qhov kev siv cov teeb pom kev zoo sab nraum zoov tau hloov pauv tag nrho los ntawm me ntsis, qhov tsis pom zoo hu ua PIR sensor. Lub sij hawm "Passive Infrared," los yog PIR, piav qhia txog lub peev xwm los txheeb xyuas cov cua sov uas nyob hauv qhov deb ntawm nws. Qhov no txhais tau hais tias PIR sensor muaj peev xwm txheeb xyuas kev txav mus los txawm nyob hauv qhov tsaus ntuj tag nrho, uas ua rau nws pib lub teeb pom kev cuam tshuam.
Lub teeb lub PIR sensor yog ib qho kev cog lus tab sis muaj zog heev uas tuaj yeem tshawb pom qhov muaj ntawm cov khoom txav me me. Hais txog kev teeb pom kev zoo sab nraum zoov, qhov haujlwm no tshwj xeeb tshaj yog muaj txiaj ntsig zoo vim nws ua rau cov tswv tsev txuag hluav taws xob los ntawm kev qhib lawv lub teeb thaum tsim nyog. PIR sensor ntawm koj lub teeb sab nraum zoov tuaj yeem muab qhov zoo tagnrho rau koj lub teeb uas koj xav tau los tswj koj cov khoom kom ruaj ntseg, txawm tias koj rov qab los tsev thaum tsaus ntuj lossis koj tsuas yog yuav tsum tshem tawm cov khib nyiab tom qab tsaus ntuj.
Lub peev xwm los pab cuam tshuam cov neeg tuaj yeem tuaj yeem yog ib qho txiaj ntsig tseem ceeb ntawm kev siv PIR sensor nrog lub teeb pom kev sab nraum zoov. Cov tsev uas zoo li qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Ntawm qhov tod tes, yog tias koj lub teeb sab nrauv qhib thaum pom kev txav mus los-txawm tias ntawm ib tus miv lossis raccoon-nws ua rau pom tias ib tus neeg nyob hauv tsev thiab tuaj yeem tiv thaiv cov tub sab los ntawm kev tsom koj lub tsev.
Feem ntau, ntxiv PIR sensor rau lub teeb tuaj yeem txhim kho kev ruaj ntseg ntawm koj lub tsev. Lub PIR sensor ua rau koj lub tsev ruaj ntseg yam tsis tas siv lub zog ntau dhau los ntawm kev muab lub teeb zoo meej thaum koj xav tau. Tsis tas li ntawd, koj yuav tsis paub tias lub gadget nyob ntawd-txog thaum nws tiv thaiv koj tsev neeg thiab tsev-vim nws yog me me thiab tsis meej.
