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4ch is enough as the brown cable is the interrupt signal so it's just an input on the arduino
@gohan @mfalkvidd Tell me please, can I connect the converter like this? If not, please explain why.
Let me remind you, in the example was like this:
No you can't, because 3.3v are needed to power the level shifter and the radio module. Level shifter is not a voltage regulator.
@gohan Thanks for clarifying!
