As I understand it you dim LEDs by PWM (pulse width modulation) not by varying the voltage you apply. So I would connect the pot to an analog input, read that and use it to set the duty cycle (on and off times) of the LEDs.
Andrew
As I understand it you dim LEDs by PWM (pulse width modulation) not by varying the voltage you apply. So I would connect the pot to an analog input, read that and use it to set the duty cycle (on and off times) of the LEDs.
Andrew