What are you using the pins for?
You may be better to use an Uno and shift register / LED driver chip.
Also if they are input switches, there are ways of combining these with resistors and just using one Analog input, or having a key matrix.
What are you using the pins for?
You may be better to use an Uno and shift register / LED driver chip.
Also if they are input switches, there are ways of combining these with resistors and just using one Analog input, or having a key matrix.