Chifukwa chiyani chiwonetsero cha LED sichingakwezedwe?

Ndi chitukuko chofulumira cha zowonetsera zazikulu za LED, zowonetsera zamagetsi zili paliponse, kaya m'mabwalo akunja.Chiwonetsero cha msonkhano.Kuwunika chitetezo kapena sukulu.Station ndi malo ogulitsira.traffic, ndi zina zotero. Komabe, ndi kutchuka ndi kugwiritsa ntchito zowonetsera zowonetsera, zowonetsera za LED nthawi zambiri sizikhoza kuikidwa panthawi yogwiritsira ntchito.Izi zipangitsanso kuti pakhale zotsekera pazenera zakuda tikadzagwiritsa ntchito zowonetsera mtsogolo.

Chifukwa chiyani chiwonetsero cha LED sichingakwezedwe?

1. Yang'anani kuti muwonetsetse kuti chingwe cholumikizira chomwe chimagwiritsidwa ntchito kulumikiza chowongolera ndicholunjika, osati kuwoloka.

2. Onetsetsani kuti hardware dongosolo dongosolo imayendetsedwa molondola.Ngati palibe mphamvu, iyenera kuyatsidwa posachedwa.

3. Yang'anani ndikutsimikizira kuti chingwe cha serial port chopangidwa ndi chiwonetsero cha LED chili bwino, ndipo palibe kutayirira kapena kugwa kumbali zonse ziwiri.

4. Yang'anani ngati kapu ya jumper mkati mwa chinsalu ndi yomasuka kapena ikugwa, ngati sichoncho, chonde onetsetsani kuti njira ya jumper cap ndi yolondola.

5. Malinga ndi pulogalamu yoyang'anira ndi khadi yoyang'anira pakompyuta, sankhani mtundu wolondola wazinthu, njira yoyenera yotumizira ndi nambala ya doko la serial, kuchuluka kwamayendedwe olondola, ndikuyika malo pa hardware ya dongosolo lowongolera molingana ndi chithunzi chosinthira. zoperekedwa mu pulogalamuyo.

Ngati macheke omwe ali pamwambapa sanakwezedwe, tikulimbikitsidwa kugwiritsa ntchito multimeter kuyeza.Yang'anani ngati doko la serial la kompyuta kapena makina owongolera omwe chiwonetsero chamagetsi cha LED chawonongeka, kenako tsimikizirani ngati wopereka chiwonetsero cha LED abwezeretse, kenako konzani kuti athetse vutoli.