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E fa'afefea ona fa'aoga se multimeter e iloa ai ua leaga le LED?

2023-11-28


E fa'afefea ona fa'aoga se multimeter e iloa ai ua leaga le LED Bead?

 

E masani ona fa'aogaina fa'asologa fa'asologa ma feso'ota'iga tutusa. Pe a faʻaleagaina le lamepa LED, o le uiga masani o le sese e le lava le susulu. Mo lopa moli LED ua faaleagaina i le faasologa ma laina tutusa, o auala nei e masani ona faʻaaogaina e iloa ai.

 

Fa'amasino pe lelei pe leaga:

 

(1) Su'esu'ega mita tele ma auala fa'amasino. Talu ai ona o le lamepa moli o loʻo i ai uiga o se diode, e mafai ona iloa pe faʻamasinoina e ala i le faʻaogaina o se poloka diode multimeter numera poʻo se faʻailoga multimeter R × 1 poloka i le auala poʻo le taʻavale tatala. Afai e leai se fa'afitauli i le lamepa LED, o le a moli le lamepa LED pe a iloa. Afai o le lamepa lamepa LED iloa e leai ni uiga diode ma o le a le tuʻuina atu sina malamalama fetu, o le a faʻamasinoina e faʻaleagaina.

 

(2) Auala o faamasinoga tutusa. Mo nisi lopa moli LED ua matutua, o le fa'aogaina o le su'esu'ega multimeter e masani ona va'aia le moli-fetu, ae e le lava le susulu pe a uma le eletise. I lenei tulaga, e mafai ona faʻaogaina se auala tutusa e suʻe ai lopa moli LED tuai. Ave se matauila 3W e ​​fai ma fa'ata'ita'iga. Ole auala fa'apitoa e fa'apea.

 

(3) Auala fuafuaina tutusa o le LED. I le fa'aaogaina o le 1W LED lelei, o pine ta'itasi e solderina i se uaea pupu'u e fai ma moli fa'amau, ona fa'aoga lea e pupuu ta'i lopa moli LED i totonu o le matauila. O le taimi lava e fa'apu'upu'u i se lamepa LED, 3W O le a fa'atupula'ia tele le pupula o le matauila, ma o le matauila ua fa'apu'upu'u o le lopa moli LED tuai. A maeʻa ona sui le mea fou, e mafai ona faʻaumatia le sese.

 

(4) auala pupuu uaea. Afai e leai se LED lelei i le taimi nei, e mafai foi ona e fa'aogaina pito pupuu o se uaea pu'upu'u e pupuu ai matauila ta'itasi i totonu o le matauila. O le taimi lava e faapuupuu ai i se matauila LED, o le a matua faateleina le susulu o le matauila 3W. O le lamepa LED ua fa'apu'upu'u o le lopa moli LED tuai. A maeʻa ona sui le mea fou, e mafai ona faʻaumatia le sese. Afai e leai se mea fou e sui i le taimi, e mafai foi ona e pupuu le lopa moli LED tuai i pito uma e lua. A uma loa ona e fa'atau se mea fa'aopoopo fou, e tatau ona e sui i le taimi.