Dab tsi yog qhov dav dav ntawm LED teeb sawb?
Lub teeb sawb voltage ntau Lub teeb sawb, tseem hu ua LED teeb sawb, yog cov khoom siv teeb pom kev zoo nrog qhov zoo ntawm kev zoo nkauj, txuag hluav taws xob, lub neej ntev, kev nyab xeeb thiab kev ntseeg tau. Nws tau dav siv hauv kev lag luam teeb pom kev zoo, teeb pom kev hauv tsev, kev ua si e-kev ua si, st ...
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