hmm, You want to read out some analog Voltage between 0 and 5 Volts and then takes this value out with a Midi Pitch Bend Message? Great Idea... I am very interessted in this patch... In 2 Weeks I will to a workshop. Ten i will discuss these Idea... If anyone hat such an Arduino - Patch, i ´m very interessted to get these!1
Hans2010/6/8 Pedro Lopes <pedro.lopes@ist.utl.pt>Nice idea, I didn't realize that. So I went and checked the MIDI 1.0 implementation chart[1] its a cool trick, it gives another byte of information apparently as stated here[2]:Pitch Bend MSB + LSBAlways learning...thanks :)On Tue, Jun 8, 2010 at 10:47 PM, Jaime Oliver <jaime.oliver2@gmail.com> wrote:
Or you can use an arduino and send midi messages through pitch-bend or one of those high-res midi messages...
J--On Tue, Jun 8, 2010 at 2:37 PM, Pedro Lopes <pedro.lopes@ist.utl.pt> wrote:
I second that, arduino will do!>Actually, an arduino is more than enough for what you want. you can have data from 0 to 1023, that is >quite a lot, plus, you can use it directly on puredta using pduino, no need for OSC.But if you want to built an "pd-independent" device, you can use OSC in arduino - although much harder than simply reading values with pduino - some guys already posted code for sending OSC messages from arduino devices [1], so then you can plug it to whatever you want: pd, ardour, osc-to-midi apps, processing, supercollider :D[1] http://recotana.com/recotanablog/?page_id=222 (this ships the messages from ethernet cable on the arduino's ethernet shield, but there might be more similar projects that ship from usb)--
On Tue, Jun 8, 2010 at 10:24 PM, Ricardo Lameiro <ricardolameiro@gmail.com> wrote:Actually, an arduino is more than enough for what you want. you can have data from 0 to 1023, that is quite a lot, plus, you can use it directly on puredta using pduino, no need for OSC.--
2010/6/8 Pierre Massat <pimassat@gmail.com>
A gamepad would definitely be LESS precise as each potentiometer will map data between 0 and 255. But i've never found this to be a problem.
Pierre2010/6/8 Pierre Massat <pimassat@gmail.com>
I guess it could, only Arduino is more expensive i suppose. I'll try to provide you with some pictures sometime soon.
Pierre2010/6/8 Achim Bloch <achim.bloch@yahoo.fr>
Hi Pierre
could you provide more details on how you built your pedal? Could'nt the gamepad be replaced with an Arduino?
Thanks,
Cyrill
--- En date de : Mar 8.6.10, Pierre Massat <pimassat@gmail.com> a écrit :
À: "Achim Bloch" <achim.bloch@yahoo.fr>, "pd-list" <pd-list@iem.at>
Date: Mardi 8 juin 2010, 7h25Hi Achim,
You'll have no latency problems with a USB pedal in Linux using the [hid] object. No "noticeable" latency at least.
There are two problems arising when attempting to built a USB pedal : first you need to actually make the pedal (the traditional cry baby design is probably the easiest way to go), then you need to connect it to a good usb gamepad. I insist on the "good" here because it is essential if you want to have a decent expression pedal. The best would be to test the gamepad before buying it and turning it into a pedal.
Pierre2010/6/7 Achim Bloch <achim.bloch@yahoo.fr>
Hi Pierre
and thanx for your answer.
I am looking for an expression foot controller. Something working somehow like a wah-wah pedal. But I am unsure if I need a device with an OSC dedicated driver, or if any USB pedal would do the job. What I primarily expect from this device is accuracy, and low-latency.
Do you have any examples (photographs, audio samples) of the device you made? I am curious!
Achim
--- En date de : Dim 6.6.10, Pierre Massat <pimassat@gmail.com> a écrit :
De: Pierre Massat <pimassat@gmail.com>
Objet: Re: [PD] Looking for a pedal controller
À: "Achim Bloch" <achim.bloch@yahoo.fr>
Date: Dimanche 6 juin 2010, 20h40Hi Achim,
I've built one myself, based on a usb gamepad. I can give you some tips. But you'll have to be more precise about what you really need (expression pedal or just switches?)
Pierre2010/6/6 Achim Bloch <achim.bloch@yahoo.fr>
Hi listees
I'm looking for a pedal controller that is accurate enough to send OSC messages to pd, in order to control some effect patches for my guitar.
Can anyone help me in finding a good one, maybe providing a perqsonal experience feedback?
Thanks in advance,
Achim
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Pedro Lopes
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website: http://web.ist.utl.pt/Pedro.Lopes
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