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led driver circuit

terrenone

I need some help with a circuit I need to drive 10 white leds from a 3.7v 2200mAh lipo battery it sounds simple but it has to be able to fit in a small container aproximity 1inch square and not produce a lot of heat,  its for my son's night im making.


Any help is welcome

Thanks

Dave

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    Back again, If you can't get 2 LEDs in series to light up you will have to put the LEDs each in parallel across the power supply and wire each one with a resistor in series. Here again you can experiment and increase the resistor until the light of the LED is dim but still usable for your purpose. What ever current one LED uses will be multiplied 10 times when all 10 are hooked up. No complicated driving circuit should be needed for your project.

    John

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  • 0

    Back again, If you can't get 2 LEDs in series to light up you will have to put the LEDs each in parallel across the power supply and wire each one with a resistor in series. Here again you can experiment and increase the resistor until the light of the LED is dim but still usable for your purpose. What ever current one LED uses will be multiplied 10 times when all 10 are hooked up. No complicated driving circuit should be needed for your project.

    John

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