Taw qhia
Ib tug lej 7 Segment LED yog ib qho khoom siv dav siv hauv kev lag luam digital. Nws muaj xya lub teeb ci LED, thiab cov lej 0-9 tuaj yeem pom los ntawm kev tswj cov xwm txheej hloov ntawm cov teeb ci no.
1.Product Taw qhia
2.Product feature
Kev tsim hluav taws xob yooj yim
Peb cov khoom yog tsim los ntawm 7 lub teeb LED ywj pheej, txhua qhov txuas los ntawm kev tswj xyuas yooj yim. Qhov kev tsim no txo qhov nyuaj ntawm lub voj voog thiab txo qhov tshwm sim ntawm kev ua tsis tiav.
Zoo heev lub teeb qhia kev tsim
Txhua 7- ntu tso saib cov khoom ntawm peb cov khoom feem ntau yog siv cov pob qhia lub teeb kom paub meej tias lub teeb lub zog ntawm LED tuaj yeem ua rau muaj txiaj ntsig zoo thiab sib npaug. Qhov kev qhia teeb pom kev zoo no tsis yog tsuas yog txhim kho lub luminous efficiency ntawm LED tab sis kuj ua kom pom tseeb thiab ci ntsa iab.
Tsawg ua haujlwm voltage
Kev khiav hauj lwm voltage ntawm Ib tug lej 7 Segment LED yog feem ntau qis, feem ntau ntawm 2V thiab 3.5V. Tsawg voltage ua haujlwm txhais tau hais tias qhov xav tau tam sim no kuj tseem me me. Qhov thib ob, peb cov khoom muaj peev xwm muab cov zis muaj zog txaus (xws li 3000mcd) ntawm kev khiav hauj lwm tam sim no ntawm 20mA thaum tswj kev siv hluav taws xob tsawg.
Stable tsav Circuit Court
Peb cov khoom feem ntau yog nruab nrog lub zog tsav hluav taws xob uas muaj peev xwm tswj tau cov zis ntawm tam sim no kom tsis txhob muaj kev puas tsuaj rau LED vim yog overload lossis tam sim no hloov pauv. Cov tswv yim ruaj khov tam sim no pab tswj lub teeb ci ntawm LED thaum txo qhov cuam tshuam ntawm lub zog hloov pauv ntawm LED lub neej.
Lub Sijhawm Zaub
Peb cov khoom siv dav siv hauv cov moos hluav taws xob, lub sijhawm suav rov qab thiab lwm yam khoom siv, uas tuaj yeem tso saib cov lej sijhawm.
Tswv yim
Nyob rau hauv voltage, tam sim no, tem, perature thiab lwm yam ntsuas, peb cov zaub yuav siv tau raws li ib tug digital readout zaub.
Cov Khoom Siv Hauv Tsev
Ntau yam khoom siv hauv tsev, xws li microwave ncu, tshuab ntxhua khaub ncaws, thiab lwm yam khoom siv, siv Ib-tus lej 7 Segment LED los qhia txog kev ua haujlwm lossis kev ua haujlwm.
Kev Tswj Lag Luam
Hauv cov khoom siv hauv kev lag luam, peb cov khoom siv feem ntau yog siv los tso saib cov lej tseem ceeb, kev ua haujlwm lossis cov ntaub ntawv ceeb toom.
4.Product Parameter (specification)
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1. Qauv nab npawb:CX5211 |
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2. Qauv Loj: 12.6 * 17.5 * 10mm |
3. LED Xim: REGATIVE.POSITIVE |
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4 .Operating TEMP:-10 degree rau +60 degree |
5. STORAGE TEMP: -20 degree TO +70 degree |
Kev Pabcuam Cov Neeg Siv Khoom
FAQ
Q: Ib tug lej 7 Segment LED yog dab tsi?
A: Ib tug lej 7 Ntu LED yog ib qho zaub uas muaj xya tus neeg LED ntu teeb tsa hauv daim duab-yim qauv. Nws tuaj yeem tso saib ib tus lej (0-9) ntawm ib lub sijhawm los ntawm kev teeb pom kev sib txawv ntawm cov ntu.
Q: Ib tug lej 7 Segment LED qhia tus lej li cas?
A: Ib tug lej 7 Ntu LED qhia ib tus lej los ntawm kev tig rau qee ntu ntawm cov zaub. Txhua tus lej ntawm 0 mus rau 9 yog sawv cev los ntawm kev sib xyaw tshwj xeeb ntawm ntu uas teeb tsa los ua tus lej.
Q: Dab tsi yog cov ntawv thov ntawm Ib-Digit 7 Segment LED?
A: Ib-Digit 7 Segment LEDs feem ntau yog siv rau hauv cov ntawv thov uas xav tau cov duab ntawm ib tus lej, xws li cov txee, cov moos digital, ntsuas kub, thiab ntau yam khoom siv hluav taws xob uas tsuas yog ib tus lej yuav tsum tau tso tawm ib zaug.
Q: Dab tsi yog cov yam ntxwv ntawm Ib-Digit 7 Segment LED?
A: Ib tug lej 7 Segment LED muaj xya ntu LED (labeled a, b, c, d, e, f, g) teem rau hauv daim duab-yim qauv. Txhua ntu tuaj yeem tswj hwm tus kheej los tsim ib tus lej tshwj xeeb, thiab nws tuaj yeem yog ib qho anode lossis ntau cathode configuration.
Q: Yuav ua li cas yog ib tug lej 7 Segment LED tswj?
A: Ib tug lej 7 Ntu LED yog tswj los ntawm kev siv hluav taws xob rau cov ntu uas tsim nyog. Nyob rau hauv ib qho anode zaub, cov anodes ntawm tag nrho cov ntu txuas nrog ib tus pin, thiab ntu teeb thaum lub cathodes txuas nrog hauv av. Nyob rau hauv ib qho cathode zaub, cov cathodes txuas nrog ib tus pin sib txawv, thiab ntu teeb pom kev thaum lub anodes tau nkag nrog qhov zoo voltage.
Q: Dab tsi yog qhov txawv ntawm cov anode thiab cov cathode Ib-Digit 7 Segment LEDs?
A: Nyob rau hauv ib qho anode Ib-Digit 7 Segment LED, cov anodes ntawm tag nrho cov ntu raug khi rau ib tus pin, thiab cov ntu tau teeb los ntawm kev siv qhov hluav taws xob qis rau cathodes. Nyob rau hauv ib qho cathode zaub, cov cathodes ntawm txhua ntu yog khi rau ib tus pin sib xws, thiab ntu teeb tsa los ntawm kev siv hluav taws xob siab rau cov anodes sib xws.
Q: Multiplexing yog dab tsi, thiab nws puas siv tau rau ib tug lej 7 Segment LED?
A: Multiplexing yog txheej txheem siv los tso saib ntau tus lej los ntawm kev hloov pauv sai ntawm lawv, muab qhov kev xav tsis thoob uas lawv tau tshwm sim tib lub sijhawm. Thaum multiplexing tsis yog ib txwm xav tau rau ib tus lej, nws tuaj yeem siv tau rau hauv cov ntawv thov uas ntau Ib-Digit 7 Segment LEDs tau tswj los ntawm tib lub voj voog tsav tsheb.
Q: Yuav ua li cas lub brightness ntawm ib tug ib-digit 7 Segment LED tswj?
A: Qhov ci ntsa iab ntawm Ib-Digit 7 Ntu LED yog tswj los ntawm kev kho cov tam sim no ntws los ntawm cov ntu LED. Qhov no tuaj yeem ua tau los ntawm kev siv cov resistors los txwv tam sim no lossis los ntawm pulse-width modulation (PWM), uas kho lub sijhawm LED nyob rau hauv txhua lub voj voog.
Q: Dab tsi yog qhov voltage thiab tam sim no rau ib tug lej 7 Segment LED?
A: Ib tug lej 7 Ntu LED feem ntau ua haujlwm nrog rau pem hauv ntej voltage ntawm 1.8V txog 3.2V (nyob ntawm seb cov xim LED). Qhov tam sim no xav tau rau txhua ntu feem ntau yog nyob ib puag ncig 10mA txog 20mA. Tag nrho tam sim no nyob ntawm seb muaj pes tsawg ntu tau teeb nyob rau txhua lub sijhawm.
Q: Dab tsi yog qhov zoo ntawm kev siv Ib-Digit 7 Segment LED?
A: Qhov zoo ntawm kev siv ib tug lej 7 Segment LED suav nrog kev yooj yim, tus nqi qis, kev siv hluav taws xob tsawg, thiab kev siv yooj yim. Nws yog ib qho kev daws teeb meem zoo tshaj plaws rau cov ntawv thov uas tsuas yog ib tus lej yuav tsum tau muab tso tawm, thiab nws muab cov lus pom meej thiab nyeem tau.
Cim npe nrov: Ib tug lej 7 Segment LED, Tuam Tshoj Ib-digit 7 Segment LED manufacturers, lwm tus neeg, Hoobkas
