hi hat pedal trouble

[CyberFly]

I'm having some trouble with my hi hat pedal. After reading the faq and trying a bunch of things it still doesn't work like it should.

I use a MegaDrum 2.8 kit, 20100515 firmware.
A 20k ohm sliding resistor is used in my pedal.

After setting the low and hi lever via MCT I get the pedal to fully open and close. The green bar goes from 1 to 127 and I can even make a chick (also in SP2.0).
However, at some points the value in the green bar is stable and at some points it is not. Example, when I keep the value precisely on 61 the bar is stable and MD doesn't send midi. When the value is at 40 the value keeps jumping up and down by 1 to 3 (it goes from 40 to 43) and MD keeps sending midi all the time. The midi LED stays lit.

If the pedal is not fully open or fully closed the midi LED on my MD lights up. It doesn't blink it just stays lit.
I have checked this via MIDI-OX. When I start the program I get a clear ''monitor output'' screen (pedal is fully open). As soon as I move the pedal a millimeter I get midi notes all over the place. I do seem some changes when I press/depress the pedal but I can't really see it, the notes go that fast! Even when I unplug the pedal MD keeps sending mini notes.
The notes seem to come in a group of 3 notes.

In Superior Drummer 2.0 the trouble starts to get real bad. The hi hat goes: closed > open > closed. I have to press the pedal just a bit to keep it open. When I fully depress (release) the pedal the hi hat is closed. It should be open, right?

I have also tried this sliding resistor with out ground connected.
See my post in this thread

I've added a few pictures to make it more clear, I hope.
settings.jpg shows the setting in MCT/MD.
resistor.jpg shows how I connected the resistor.
withPedal.jpg shows the output of midi ox with the pedal.
noPedal.jpg shows the output of midi ox with the pedal disconnected.

settings.JPG

[kupooglop]

stupid question. Shouldn't hihat pedal type be set to pot?

[dmitri]

As seen from the MCT screenshot, please explain how did you come to setting LowLevel to 255 and HighLevel to 376?

I'm having some trouble with my hi hat pedal. After reading the faq and trying a bunch of things it still doesn't work like it should.

I use a MegaDrum 2.8 kit, 20100515 firmware.
A 20k ohm sliding resistor is used in my pedal.

After setting the low and hi lever via MCT I get the pedal to fully open and close. The green bar goes from 1 to 127 and I can even make a chick (also in SP2.0).
However, at some points the value in the green bar is stable and at some points it is not. Example, when I keep the value precisely on 61 the bar is stable and MD doesn't send midi. When the value is at 40 the value keeps jumping up and down by 1 to 3 (it goes from 40 to 43) and MD keeps sending midi all the time. The midi LED stays lit.

If the pedal is not fully open or fully closed the midi LED on my MD lights up. It doesn't blink it just stays lit.
I have checked this via MIDI-OX. When I start the program I get a clear ''monitor output'' screen (pedal is fully open). As soon as I move the pedal a millimeter I get midi notes all over the place. I do seem some changes when I press/depress the pedal but I can't really see it, the notes go that fast! Even when I unplug the pedal MD keeps sending mini notes.
The notes seem to come in a group of 3 notes.

In Superior Drummer 2.0 the trouble starts to get real bad. The hi hat goes: closed > open > closed. I have to press the pedal just a bit to keep it open. When I fully depress (release) the pedal the hi hat is closed. It should be open, right?

There is something wrong with your MegaDrum and I cannot see why it happens - the HiHat pedal should not send any CC messages but "CC: Foot controller" (B9 04 xx). All other CC messages in the screenshots are erroneous and I have never seen them - the crystal might be slightly off of the correct frequency or there might be some packets corruption between Atmega and PIC18F2550. In this case sending settings from MCT to MegaDrum might misconfigure MegaDrum and even cause it to misbehave (like sending bogus CC messages).

I advise you to leave MCT alone for now, load default MegaDrum settings and configure it using the MegaDrum menu and buttons.

[kupooglop]

I just finished implementing your depicted setup using a 50KOhm rotary pot. Went into MD directly & set hihat pedal to pot & alt in to yes. This setup works fine. The only thing is that with the latest firmware update, MCT does not report any activity from hihat pot. The MD vu meter functions properly and MD plays open & closed hihat sounds properly & does not stream a flood of midi messages. If I set hihat pedal to f.controller, everything goes apenuts & midi messages fly everywhere. With this configuration, MCT shows green bar (i.e. hihat pedal) activity tho. Only difference is that when I unplug hihat pedal, nonsense stops. You might have a short somewhere since the "stuck on" midi information persists. The other stuff might be caused by MCT not being up to date with the firmware. Don't know about Superior drummer issues as I don't use that program. Hope this helps.