Nchifukwa chiyani mikanda ya nyali siyiyatsidwa pa bolodi la dera? Kodi kufufuza? Choyamba, yang'anani ngati dera likugwiritsidwa ntchito mwachizolowezi, ndiyeno fufuzani mwachindunji kutengera dera linalake. Komabe, zifukwa zambiri ndikuti ma LED adalandira mwangozi polarity yoyenera komanso yolakwika ya LED panthawi yoyika kapena kuwotcherera musanayike. The kuwotcherera kwenikweni si wamphamvu), kuwotcherera pafupifupi ndiye chifukwa chachikulu cha kulephera, makamaka novices amene alibe kuwotcherera zinachitikira. Vutoli ndiloyenera. Zitha kukhalanso kuti kutayikira kwachitsulo chamagetsi kumapangitsa kuti LED ikhale yodutsa pafupipafupi. Pali gawo la gawo la kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake kuti agwirizane bwino kapena kuwotcherera bwino, ndipo maulendo ena angakhalenso kuti chigawo chosinthika sichinasinthidwe bwino. Dera lisanakhazikitsidwe, yang'anani cheke ndikuyiyang'ana mosamala musanayambe mphamvu. Ngati kuwala sikuyatsidwa, mphamvuyo iyenera kuzimitsidwa nthawi yomweyo, ndiyeno kuyendera kuyenera kuchitidwa. Simungathe kugogoda pa bolodi la dera kuyesa kupeza cholakwika. mwa njira iyi. Ngati ndi dera lomwe lili ndi fyuluta capacitor, choyamba, muyenera kugwiritsa ntchito screwdriver kapena waya kuti mutulutse mapazi awiri a fyuluta capacitor musanayang'ane. Sitepe iyi ndi yofunika kwambiri! Chifukwa fyuluta capacitor ali mkulu voteji kuposa 1.4 nthawi mphamvu magetsi voteji (kuposa 1.4 nthawi mphamvu magetsi voteji ( Mwachitsanzo, pamene 220V magetsi akhoza kukhala okwera 310V), kuti asawononge thupi la munthu. kapena wonongani nyali ya LED pamene mphamvu yatsala pa capacitor kapena nthawi imene dera lalumikizidwa! LED iliyonse. Samalani ku polarity ya mphamvu ya batri monga polarity ya LED, kuti mugwiritse ntchito polarity ya LED, kuti Yang'anani ngati LED iliyonse ikhoza kuyatsidwa. Kuyang'anira dera loyendetsa galimoto, muyenera kuyang'ana mosamala ngati dera likulakwika molingana ndi chithunzi cha dera. Samalani kwambiri kuti muwone mlatho wa rectifier (phazi lalitali ndikutulutsa kwa electrode, diagonal ndi kutulutsa kwa electrode, mapazi ena awiri ndi AC input) kapena rectifier diode, ndi chitoliro cha voltage diode. (mapeto amodzi okhala ndi mzere wakuda kapena woyera ndi woipa), ndipo yang'anani ngati ma electrode atatu a crystal triode kapena dera lophatikizana la voteji ndilolakwika. Chabwino, kufotokozera kwa kuwala kwa diode kuli pano,
![Momwe Mungayang'anire Kulakwitsa kwa Kuwala -emitting Diode Lamp Bead 1]()
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