I’ve usually used single color LEDs and connected them in series for a 12V input. I’ve got some bi-color ones (red/yellow - three legs, common anode, both channels are 2.0V) is there a way to connect them in series??
I need to connect a few dozen of them so having a single LED to a 12V will draw too much power. Anything goes, helper IC’s, diodes, clever wiring etc.