I understand that PB12 is pulled up by an internal 10k equivalent resistor.
But even so, I think it can still set the state to LOW. But really, I couldn’t do it. It is always HIGH (about 2.5V).
How can I set its state to LOW?
I understand that PB12 is pulled up by an internal 10k equivalent resistor.
But even so, I think it can still set the state to LOW. But really, I couldn’t do it. It is always HIGH (about 2.5V).
How can I set its state to LOW?