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I think the logical approach is to read the data sheets of an LED before designing their drive ckts , thanks all
You are better off using 5V and an LM317 as a constant current sink for each LED to get precision regulated currents with a 1% R . See end of datasheet. Then use low side Nch MOSFET to enable the LED current.I think the logical approach is to read the data sheets of an LED before designing their drive ckts , thanks all
Re arranging the deck chairs on the Titanic.You are better off using 5V and an LM317 as a constant current sink for each LED to get precision regulated currents with a 1% R . See end of datasheet. Then use low side Nch MOSFET to enable the LED current.
any questions?