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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=CS link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Před pár měsíci jsem koupil LED žárovky 4x1 W (obdoba těch v odkazu níže). Současný stav je takový, že na obou žárovkách ze 4 LED svítí jen 2. Rozebral jsem je a zjistil, že jsou zapojeny vždy 2 LED v sérii a následně dvě tyto dvojice paralelně. Celá kombinace je napájena spínaným zdrojem konstantního proudu.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Není problém už v samotném principu toho zapojení?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Pokud mají parametry nějaký rozptyl hodnot, budou jednotlivé LED zatěžované nerovnoměrně.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Zdeněk<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> hw-list-bounces@list.hw.cz [mailto:hw-list-bounces@list.hw.cz] <b>On Behalf Of </b>Vladimir Nerud<br><b>Sent:</b> Wednesday, April 11, 2012 10:41 PM<br><b>To:</b> HW-news<br><b>Subject:</b> Re: LED svetlo<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Sviti to opravdu dobre, jine osvetleni pod skrinkami nemam, tohle naprosto staci. Doplnuji to led zarovky stejne teploty v odsavaci. V horni rampe, ktera osvetluje jidelni cast (linka je do L) jsou bodove ledky take 6500K<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><a href="http://www.dealextreme.com/p/3w-6500k-280-lumen-3-led-white-ceiling-spot-light-bulb-w-led-drive-85-265v-73822"><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#0066CC'>http://www.dealextreme.com/p/3w-6500k-280-lumen-3-led-white-ceiling-spot-light-bulb-w-led-drive-85-265v-73822</span></a></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'> </span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Pasek je prilepeny na predni hrane a z predni strany ho kryje 10mm lista , aby nesvitil do oci. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Oproti obrazku na DX poslali s nasi zastrckou, kterou jsem ale stejne urizl a pripojil do krabice, ovlada se dvojitym vypinacem na stene (druhy ovlada ty bodovky, digestor ma svuj vypinac – vysunutim se zapne)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Vladimir<o:p></o:p></span></p></div><div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> </span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p></div></div></div></div></div></div></body></html>