作者: 14008205 時間: 2009-10-30 21:55 標題: High efficiency led limiting resistor
The limiting resistor should add after the voltage-stabilizer circuit or?
can 2.3 ohm's resistance numbers neglect?
[ 本帖最後由 14008205 於 2009-10-30 21:57 編輯 ]
作者: 14008205 時間: 2009-11-2 16:05
help
作者: jwong852 時間: 2009-11-2 16:07 標題: 回覆 2# 的帖子
No one understand what you want to ask.
Please state clearly what is your voltage source and what are the LED to be driven : current, typical voltage, qty .....