標題: 2粒3A可以駁幾多粒LED粒?? [打印本頁] 作者: fungkc223 時間: 2007-9-15 20:10 標題: 2粒3A可以駁幾多粒LED粒?? 2粒3A可以駁幾多粒LED粒??可唔可以駁哂一部車D燈LEI??係唔係每一粒LED用一粒電阻??
例如一部YOKOMO的S15,請各師兄解答,謝謝!!!作者: Administrator 時間: 2007-9-15 20:55
2粒3A = 3Volt. (Too little voltage to use LED properly......)
1 粒LED use 2 Volt. so you can do the maths yourself 作者: 老人家 時間: 2007-9-15 21:08 http://led.linear1.org/led.wiz作者: Administrator 時間: 2007-9-15 21:23
won't help if he don't even know how much current the LED 作者: rk2 時間: 2007-9-15 22:31
I think current should be 20mA max !作者: ice1234 時間: 2007-9-18 14:42