CD4052B: I want to control my multiple LEDs (twelve) with only single LED driver IC - Switches & multiplexers forum - Switches & multiplexers - TI E2E support forums
How do I add status LEDs to my board driving optocouplers with ULN2803A? Should it be in series or parallel and how to calculate a new resistor value? : r/AskElectronics
ULN2803
Anfängerfrage Arduino Uno und mehrere LED's - Deutsch - Arduino Forum