voltage How can I make LEDs light up equally

Posted on Feb 6, 2014

There are three switches that represent `binary number`, and according to that switches` combination, number of lit LEDs change to represent that binary number. I am wondering how do provide equal current and voltage for LEDs and make them light up with equal luminous intensity independent of switches` combination. Probably I`m not understanding s

voltage How can I make LEDs light up equally
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ome major law in electronics.

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