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If you use two AA or AAA batteries, and only White LED's then you will not need resistors in your circuits. Just use clear paint to change the color of the LED's.Two AA batteries, will power up 15 LEDs for quite a while.
If you use two AA or AAA batteries, and only White LED's then you will not need resistors in your circuits. Just use clear paint to change the color of the LED's.
Two AA batteries, will power up 15 LEDs for quite a while.
