[sdiy] Endless pots

[Ullrich Peter]

Hi!

For the arduino you can look at this page:
http://www.arduino.cc/playground/Main/RotaryEncoders as the mouse wheel or 
position signals are simple quadrature encoder signals.

There was also one discussion in the Forum:
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1185064568

I also used encoders for my http://go.to/datadial that converts the encoder pulses 
in analog switch signals so that you can replace the boring plus/minus buttons in 
synth with an encoder. The conection of a mouse wheel would be possible for this controller too.
This project can easily be realized with Arduino too.

Ciao
Peter


-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Paul Burns
Sent: Monday, December 06, 2010 4:07 PM
To: synth-diy at dropmix.xs4all.nl
Subject: [sdiy] Endless pots

> For an 'endless' rotation to voltage converter, you don't
> need a polariser - just a cunningly shaped piece of card that partly
> occludes the light to the LDR. Like optical wah pedals.
>
I have just this morning taken apart a broken (expensive! 47 GBP ) wireless
Logitech mouse ( the wireless dongle got snapped beyond repair ) to see what
was salvageable , and the wheel works exactly on this principle ... there is
a sensor on one side of the wheel which has  tiny little slots through it
... and an led on the other side.

I am looking to incorporate it into a MIDI arduino controller ...

Regards

Paul Burns

_______________________________________________
Synth-diy mailing list
Synth-diy at dropmix.xs4all.nl
http://dropmix.xs4all.nl/mailman/listinfo/synth-diy

The information contained in this e-mail message is privileged and
confidential and is for the exclusive use of the addressee. The person
who receives this message and who is not the addressee, one of his
employees or an agent entitled to hand it over to the addressee, is
informed that he may not use, disclose or reproduce the contents
thereof, and is kindly asked to notify the sender and delete the e-mail
immediately.