Gwero lamagetsi oyendetsa magetsi a LED osaphulika ndi magetsi olunjika, kawirikawiri kuyambira 6-36V.
Motsutsana, Magetsi osaphulika osaphulika nthawi zambiri amagwiritsa ntchito magetsi osinthika pamagetsi otetezeka. Kusinthasintha kwamphamvu kwa 10mA ndi 50mA mwachindunji kumabweretsa chiopsezo ku thupi la munthu.. Kuwerengera ndi kukana kwa thupi la munthu 1200 ohm, magetsi otetezeka ndi 12V a AC ndi 60V a DC. Choncho, pamagetsi ofanana kapena apano, Magetsi osaphulika a LED ndi otetezeka. Komanso, low-voltage DC silipanganso zopsereza zamagetsi, pomwe AC ndiyotheka kutero, kupanga magetsi osaphulika a LED kukhala chisankho chotetezeka.
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