How many LEDs could a wood chuck light

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  1. - 16th November 2010, 01:00 #3
    Mike, K8LH's Avatar
    Mike, K8LH
    Mike, K8LH is offline Member
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    Adding column drivers to a Charlieplexed matrix allows lighting multiple LEDs in each column to increase duty cycle and brightness. If you're only going to light one LED at a time you can eliminate the column driver transistors.

    With Charlieplexing you get N(N-1) outputs (N = number of pins)...

    Regards, Mike
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    Last edited by Mike, K8LH; - 16th November 2010 at 01:33.
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