How are the UDN2981A and TLC59213A different from the ULN2003?
Ok, so, am I right in thinking that if multiplexing, you can't use a ULN2003 because you need to switch the leds at the anode end to be able to address each led in the matrix?
If I'm not multiplexing, (which I don't really need to given the smallish number of leds I'm using) and use a TLC5947 to drive the leds with pwm, does it make no difference whether I use a ULN2003 type or UDN2981A type?
Some interesting discussion there though
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