谁能说说LED串接电阻的简单方法 怎么串

谁能说说LED串接电阻的简单方法  怎么串

依次类推是不？~~~~~~~~~~~~~~~~~~~~

用欧姆定律计算。
        U
I = ——
        R

I=LED的额定电流
U=电源电压 - LED管压降 - 驱动管的饱和压降（如果有的话）
R=串联电阻
串联电阻的耗散功率 = I × U

[whitepad]***400;200;400,200;;** m23,38 l25,38,28,39,32,41,39,48,42,50,45,55,45,57,48,59,49,61,50,62,51,64,54,67,54,68 e|********* m61,41 l62,41,64,42,70,46,75,53,81,58,85,65,89,70,93,76,97,79,99,84,102,86,102,87,103,88,102,86,100,80,100,73 e|********* m125,37 l126,38,126,51,125,53,120,58,118,61,116,63,113,63,111,65,107,66,102,68,97,69,86,69 e|********* m25,83 l27,86,28,88,31,90,38,96,41,100,45,105,47,106,48,108,51,109,55,112,59,114,62,114,64,112,67,105,81,95,88,91,93,86,96,84,98,83,99,82 101,81,103,81,103,80,116,80,116,81,118,82,120,82,120,83,122,84,122,92,121,96,120,102,119,104,119,108,117,110,116,110,114,112,113,112 e|********* m68,106 l71,106,74,107,75,108,80,108,81,109,91,109,92,110,93,112,93,121,90,125,87,127,84,130,83,130,83,131,82,131,82,135,83,140,83,155,84,158,84,168 81,168,73,166,68,166,62,165,52,161 e|********* m48,153 l55,153,60,154,66,155,70,155,76,152,83,148,90,145,100,141,109,139,116,137,123,136,129,136,136,129,139,125,142,119,146,113 e|********* m143,60 l152,60,155,59,165,54,179,48,196,42,208,37,215,34,220,33,220,32,221,32,222,39,224,49,226,60,227,73,227,163,223,163,214,160,207,158,199,154,193,150 187,140,185,133,183,125,181,118,180,111 e|********* m177,94 l181,94,184,99,188,109,189,114,189,137,186,143,183,147,180,153,177,156,176,158,174,160,173,160,173,158,174,149,179,138,187,125,196,115,208,99,210,98,212,95 212,93,213,93 e|********* m238,62 l373,62,373,63,372,65,369,68,367,72,362,77,358,82,355,88,350,93,345,97,341,100,336,103,326,111,323,113,320,113,320,114,318,114,318,126,319,135,322,146 323,153,324,161,325,167,325,173,326,174,318,174,315,172,308,171,303,168,299,161,294,152,291,149,288,144,283,139,283,137,281,136 e[/whitepad]

这是串电阻的资料照片.

十分感谢朋友~~~~~~~~~~

不错,好好学习{:1_148:}

3# 我要学电子


好

来学习了，谢谢{:1_137:}

学习。。。。。。。。。

值得学习、、、、、、、、、、、、、、、、、、

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