Well, to use one MAX7219 with a led matrix and NodeMCU is quite simple but … how to use more MAX7219 ? Is it possible ?
Yes, I know the Arduino way, but I want to stay on NodeMCU …
Well, to use one MAX7219 with a led matrix and NodeMCU is quite simple but … how to use more MAX7219 ? Is it possible ?
Yes, I know the Arduino way, but I want to stay on NodeMCU …