散熱係一個問題....

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各位有冇小型台鑽推介下呀??
想搵D靜D靚D
香港見過要600$

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LIKE 爆。 CHING 好有創意

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呢個燈膽超有特色,又環保LIKE!!

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the heat is a big problem
i think that if you can make a hole with each LED light bulb
that the heat with come out, that you can problem the PCB not to over heat, and one more useful funtion, that is waste time

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嘩~出街唔記得熄燈,小心火燭.........

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其實草帽LED真係唔係咁熱....著左幾粒鐘先暖...一d都唔熱....不過電路方面就真係要改進一下先得.....用三極 ...
upcupcupc 發表於 2012-2-3 07:04

其實我都有個疑惑.........,相同工作電流,電壓(唔知有冇可能)的草帽陣與單一粒大工率 LED 的效率邊個高 d 呢?

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