Recently, we published an entry-level Arduino project with a single seven-segment LED display ... the same anode connection points. And each of the four digits in the module have their own common ...

[Peter Lehnér] has designed a brilliant 7-segment flip-segment display ... segments of a digit rather than dots. We featured a 3D printed version of these last week. The common aspect of most ...

A while back, [limpfish] bought a few four-digit ... eight common cathode seven segment displays. There’s a problem with this plan, though: the LEDs received from eBay are common anode.