我做的LED灯箱为什么蓝灯老是坏呢

做了几个灯箱,都是蓝灯容易坏.不过还通电.各位老大给出个主意,电流测量没问题.15---18.5左右

自己的沙发自己坐,哈哈哈!

把电流控制的在低些试试

[whitepad]***400;200;400,200;;** m65,45 l65,51,107,36,107,37,105,40,102,46,100,51,98,55,96,57,95,59,89,68,86,71,86,73,88,71,102,69,110,67,119,67,110,70,101,76,86,90,81,97 77,101,71,105,67,108,64,111,59,114,56,115,57,115,63,113,72,109,90,102,107,91,121,81,130,75,131,74,128,74,128,68,114,62,112,61,109,59,107,58 109,51,111,50,111,49,109,52,107,59,97,85,94,102,84,123,72,146,62,169,59,173,59,167 e|********* m93,114 l95,147,95,162 e|********* m101,122 l102,122,105,119,110,115,116,111,119,107,120,106,122,105,126,105,126,106,127,107,128,109,129,110,129,137,127,142,127,168,128,177,129,182,129,189,131,192,131,195 129,195,128,192,121,178,117,164 e|********* m102,136 l103,135,105,135,110,133,114,131,116,131,117,132,117,134,118,136,116,140,112,144,110,145,109,146,108,146,108,147,109,147,110,148,115,148,115,149,116,150,112,154 110,157,98,165,95,168,99,168,104,166,115,166,119,164,120,162,114,162 e|********* m169,96 l170,97,170,100,168,105,166,109,166,117,168,118,171,119,176,120,179,121,181,121,181,123,179,126,176,129,171,133,164,138,156,141,153,142,150,142,150,143,156,143 161,145,166,148,180,154,182,154,180,155,171,155 e[/whitepad]

电压调低一点，太高电阻容易发烫

不同颜色的LED所需的电压有区别!