Hi could i use the nord pedal with my digital piano? I know says only for nord but it uses midi. 
My digital piano has very nice church organ sound. 
 
I have found that playing the organ my hands don't jerk as they do with piano. 
I look online found few pump organs but where all sold before i got look at them. 
I found few electronic ones but lot them were sold as well. 
 
Thanks

Marcus are you talking about the sustain pedal. Or do you mean an expression (volume) pedal. Not sure what you mean by it using midi.
 
If it is the sustain pedal the answer will depend on how the sustain pedal is configured. Does the pedal have a standard jack on the end of the lead? When the pedal is up (ie not pressed ) then the jack contacts will either short out (NC or normally closed) or remain open circuit. (NO or normally open)  When the pedal is pressed then a NC pedal becomes NO and a NO pedal will become NC.
 
You can use this with the piano as long as the piano expects the pedal to behave the same way. If the pedal however is wired the wrong way for the piano then you cannot really use it. You can easily test it by simply plugging it in. Don't press it to start with. If all the notes are sustaining when the pedal is not pressed (and not sustaining when the pedal is pressed) then you cannot really use the pedal with the piano. If the pedal does not work properly with the piano ie the wrong way around, some pianos are smart enough to detect pedal polarity on switch on and set themselves accordingly. Try turning the piano off with the pedal connected and turning it back on and see what happens. This may not work either. There may be a setting for pedal polarity in the piano settings and you will have to do it manually.
 
Check the pedal itself. Some of them have a little switch on the bottom which can reverse its behaviour too.
 
Then you could be lucky and the pedal will behave as per normal. ie not sustaining when not pressed and sustaining when pressed. You wont damage the piano by doing this only you will find out if it is going to work or not.
 
Now if you are talking about a volume or expression pedal things are a little more complicated then. There is a good chance it wont work.

He's talking about the expression pedal, I think. I've never heard of a MIDI sustain pedal. Such a thing might exist, but it certainly wouldn't be a standard.
 
Most expression (or "swell") pedals are analog, not MIDI. For a MIDI pedal to work on the piano, which probably doesn't have a dedicated MIDI expression input jack, you'd have to plug it into the MIDI IN jack on the piano (assuming the pedal uses a standard 5-pin MIDI cable). Even if that worked, you'd lose the ability to control the piano from a sequencer unless you added a MIDI merger - and MIDI mergers cost as much as an expression pedal.
 
I'd suggest just getting a nice expression pedal for the piano, from the piano's manufacturer if possible. If your piano happens to be a Roland, that company makes a really nice one that has a similar range and feel to a traditional Hammond swell pedal. 
 
 

Yes you are probably right Dave. They tend to use a stereo jack as the connection. There is a sort of standard out there. eg zero ohms to 10 K Ohms over the range of movement of the pedal. I have got an Emulator expression pedal that works with my Kurzweil.
 
But there are also other variations out there as well eg Yamaha has a very different method of doing it all together and it definitely does not work on anything other than Yamaha gear.
 
So if it is an expression pedal you are talking about then often the best approach is to as mentioned here get the one the piano manufacturer recommends.
 
What he might mean though regarding midi is that most often if you do connect an expression pedal to most things then that is often sent over midi out as a midi controller code. Handy for controlling other things over midi further down the line.

The plot thickens:
 

Jeff Evans
...Yamaha has a very different method of doing it all together and it definitely does not work on anything other than Yamaha gear.

I hope that's not a universal truth, Jeff, because I've just ordered a Yamaha expression pedal to use with my Hammond XK-1, to replace a cheap generic one that broke. I'm hoping the Yamaha pedal will be sturdier under my lead foot. I tend to hit pedals (and keyboards) pretty hard during live performance.
 

Dave you are probably OK with the FC7 which is what I think you ordered. I was referring to the older FC3A which was the original expression pedal for the DX7. It looks like it needs a DC voltage to work and has a light and LDR installed and the pedal moves a strip of plastic that lets more or less light through that is between the light and LDR. So totally useless for anything else.
 
I believe the FC7 is more your normal variable resistor design. However I did see someone mention on a forum somewhere that it did not work on a Kurzweil though.

I may have seen that same posting, which I think said the Kurzweil expects a 50K pot.
 
Yup, I ordered the FC7. $40 versus a hundred bucks for the Hammond pedal, which looks exactly like the cheap crappy one I destroyed.
 

Thanks every one I'm looking make my digital piano more like a organ. 
The Roland pk 9 sweet-water recommended looks like it work Hooks up by midi implantation
or to my digital piano by pk cord. 
 
My digital piano got very strong very full and Swell Church Organ sound. 
And like real organ there no dynamics in the keys so I'm looking for pedal.
 
 

Holy crap, that (admittedly cool) gizmo costs $1700! Do you really want bass pedals that badly? 
 
If all you want is the expression pedal, those can be had for $40 - $100.