How can I make any knob on any pedal controllable with an expression pedal?

To assign knobs to be controlled with the expression pedal:

1. Connect an expression pedal to the EXP jack of NightSky using a TRS cable.
2. Press and hold down PRESET BUTTONS 1 & 8 until all eight PRESET BUTTONS blink GREEN.
3. Rock the expression pedal to the HEEL position and PRESET BUTTONS 1-4 will blink GREEN.

1. Can you use expression pedal as sustain pedal?
2. How do you put an expression input into a pedal?
3. Are expression pedals universal?
4. Do expression pedals need TRS?

Can you use expression pedal as sustain pedal?

newbie_here wrote: is it possible to use an Expression Pedal as a Sustain Pedal, at all? Technically: yes. Already explained above. But don't plug in your expression pedal where the sustain pedal should be plugged on your keyboard.

How do you put an expression input into a pedal?

To add an expression control to a pedal control, you put a stereo switching jack between the pot you want to control and the board. When you plug in your expression pedal's cable into this jack, it disconnects the pot, putting the expression pedal into the circuit instead.

Are expression pedals universal?

Universal Expression Pedal with Adjustable Sensitivity

The NX-P features a polarity switch, which makes it compatible with virtually any piece of gear with an expression input.

Do expression pedals need TRS?

You need an effects pedal that's “expression ready"—meaning it's equipped with a jack designed to accept an expression pedal. The jack requires a cable with a 1/4" TRS (tip, ring, sleeve) stereo plug.