Doepfer

Thank You Dieter! I  was sure that something like this was available. I will probably make something like this to attach to it:



Nice that it is on an expansion connector too. What else shows up on that expansion connector?
-James


On Feb 4, 2013, at 1:26 AM, yahoo@doepfer.de wrote:

> 
>> -----Ursprungliche Nachricht-----
>> Von: Doepfer_a100@yahoogroups.com
>> [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von James Husted
>> Gesendet: Samstag, 2. Februar 2013 08:41
>> An: Doepfer_a100@yahoogroups.com
>> Betreff: [Doepfer_a100] Can I mod a A-152 to do this?
>> 
>> 
>> I recently got an A-152 and am using it to select the columns of
>> two of my PGM-4X4 programmers to make sequences that can have
>> programmable patterns to them. What I would like is to mod the
>> A-152 so that I can add an output that produces a trigger
>> whenever the A-152 addresses a new step. This way something like
>> a sine wave into the A-152 would make the PGM-4X4 work like a
>> pendulum and would also produce triggers to fire off envelope
>> generators whenever a new address/column/note happened. Is there
>> some internal circuit logic that can be added to create a trigger
>> out like this?
> 
> This is also available as an internal "hidden" feature since  about 2005.
> The RC4 port pin of the microcontroller (pin 6) outputs a short pulse
> whenever the address changes. The signal is also available at the expansion
> connector on pin 2. Pay attention that the signal is not buffered and not
> protected against short or electrostatic charge (it's the "pure" RC4 port
> signal). The microprocessor will be damaged if a voltage or GND is applied
> to this pin. You have to add a suitable buffer to protect the processor. Do
> not simply connect it to a socket !
> 
> Best wishes
> Dieter Doepfer
> 
> 
> 
> ------------------------------------
> 
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