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Author Topic: Touchpad Midi  (Read 8168 times)
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Great project, tried it and it work right away.
Thanks man. smiley-wink
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germany - bavaria - Ostheim
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Hello World!
Hello Ludo!

I'm in to build a controler like this with a x/y touchpad, a poti, two buttons but without the lcd display. smiley

My problem is i got no experience in coding for the arduino and need help to change your code to my conditions! :-/

The Poti should be connected to Analog in 1 and the Buttons to 2/3.

The Midi routing should be locked to channel1 and the following notes:

X:           CC01
Y:           CC03
Poti:        CC05
Button 1: CC07
Button 2: CC09

I will be so thankfull if anybody can help me!

greetz chris tall

sry for my bad english i'm german :-)
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Hi ChrisTall,

Would you like to send me your email address in a private message. I'll send you the modified code.
However it's pretty simple. All you have to do is to remove all LCD code and to add a POTCC in the spirit of XCC. Don't hesitate to understand how this work by navigating in this website.
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germany - bavaria - Ostheim
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Here some Pictures of my project!

The case is an old C64 Joystick!



The Synaptics Touchpad and the 10k Poti.
The blue border will be changed against a alu plate.


The inside without the taster, power led, wiring and the arduino duemilanove.



Lobo u got post!
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COOOL  smiley
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Hi,

This is great,

I have little experience in this so need some help.

I have an xy pad and a button and need help wiring it up to arduino and getting them to transmit midi.

Midi messages should be:
X - CC12
Y - CC13
Button - CC95

any help would be extremely appreciated

Gareth
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Hi, I'm italian (sorry for writing mistakes) and not experienced in electronics, and I need a big help to transform xy touchscreen digits in midi messages to send to a Korg Kaosspad through a midi cable. If you know the Korg Kaosspad, what I mean it's like a remote touch pad connected with a midi cable and, like the touchscreen on the Korg, the pad should be backlighted with led that change colour moving the finger on it.
When I saw the arduino I thought that could be a step beyond to the solution. Am I wrong?
Please let me know if it's possible and, if it is, how to assemble the whole thing.
 
A BIG thank you
 
Vinny
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"So...What does this thing do?"
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Alright. I've got a Synaptics touchpad here out of a Dell Inspiron 1100, and I'm not sure which pins are the SDA/SCL pins...There are 6 pins - 1 I have found is GROUND, two are for the buttons ('B1' and 'B2'), and the rest must be SDA, SCL, and +5V. Can anyone help me out here as to what is what? Thanks!

« Last Edit: September 20, 2009, 10:11:55 pm by quackmaster7000 » Logged

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My sneaking suspicion is that the pin right next to GND is +5V...maybe
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That's probably correct, or on the other side of the connector... Touchpads can vary massively though so the other pins will not be easy to find without a bit of trial and error...
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Yup. My assumptions were correct!
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Hello, sorry to bring this back to life, but I was looking for this info and this is the forum that kept comming up in my search (because somone else was asking for this information), I cant find it anywhere else so I figured it out with trial and error. I hate being the only one to benifit from this sort of thing, so here it is:

This is the pinout for a TSM9920-20 Rev. N touch pad. other lables are Cirque 9920

[PLEASE SEE THE NEXT MESSAGE FOR THE IMAGE, APPERENTLY ITS A FORUM RULE]

-Jim
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Hello World,

VERY NICE JOB !! Congratulations for this wonderful realization.

For my knowledge which kind of microcontroller do you use ?

I would you like also to realise this touchpad but have you got the BOM list ( Bill of material ) I did not find it ( maybe I written to fast )

Thank you in advance

Djo
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is there anyway to make it clear to noobs like me the following:
is all synaptics the same with wiring?
if not is it an analysis pr found pad or is there some generelisation?
can someone please make a site at someplace with a tutorial
- i am planning to combine this technology with an paperduino (in my project not on paper but using the same BOM) a touch pad and custom casing to let a diy musician club enterntain themselves for an evening :-)

if one of you guys make a tutorial ile put it up on my rather visited blog (more than one spiderman pr day)

well anyway answers would be nice!
b-well! smiley-wink
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