SOME MULTI-STRING LED MODULES come with a common-anode configuration. The commonanode connection reduces the number of wires between the LED module and its driver from 2N to N+1, where N is the number ...

A classical design for directlydriving eight seven-segment LEDdisplays requires as many as 15 I/O lines.Previous Design Ideas have describedmany approaches for using a maximumnumber of LEDs with a ...