where did you read that?
The documentation of the newEncoder-library says
Interrupt-driven rotary encoder library.
Two interrupt-capable pins are required for each encoder connected.
On an arduino uno only IO-pin 2 and IO-pin 3 are interrupt-capable
where did you read that?
The documentation of the newEncoder-library says
Interrupt-driven rotary encoder library.
Two interrupt-capable pins are required for each encoder connected.
On an arduino uno only IO-pin 2 and IO-pin 3 are interrupt-capable