Could be useful.
I could see it leading to a new set of questions, "why is my LED flickering or turning on/off randomly or when I wave my hand around?" with more answers like "Enable the internal pullup so the unused pin is high and not floating."
Could be useful.
I could see it leading to a new set of questions, "why is my LED flickering or turning on/off randomly or when I wave my hand around?" with more answers like "Enable the internal pullup so the unused pin is high and not floating."