標題: LED用2粒aa電電箱係邊度買好 [打印本頁] 作者: hoitang55 時間: 2006-11-7 21:07 標題: LED用2粒aa電電箱係邊度買好 kws有冇得賣,同鴨記邊間最好作者: courel500 時間: 2006-11-7 22:02
鴨記平D , 又有on/off作者: monkichi0210 時間: 2006-11-8 10:56
2 x AA size batteries maybe not powerful enough to light up the LED....if your LED is ultra bright one.....as i know at least 4.5V.....3 v maybe too dim......