Korg Poly800/EX800 Users

Yes, the photo is on here in the Photos folder under "Encoder Project".

http://groups.yahoo.com/group/korgpolyex/photos/album/303237603/pic/list


I guess it didnt like me using a direct link to the picture itself.

Be sure to click on "Original" next to the View options to see the full size pic.

-Blaine


--- In korgpolyex@yahoogroups.com, Michael Hawkins <korgpolyex800@...> wrote:
>
> I am getting "We are sorry, you can not display images hosted by Yahoo! Groups on non Yahoo! Groups pages." when I try your link.
> 
> Is the diagram in korgpolyex somewhere?
> 
> Mike
> 
> 
> 
> ________________________________
>  From: bimmerfan222 <bperkins211@...>
> To: korgpolyex@yahoogroups.com 
> Sent: Saturday, April 21, 2012 12:02 PM
> Subject: [korgpolyex] Encoder/Decoder Circuit with counter & buffer
>  
> 
> Â  
> Hey Mike,
> 
> I've uploaded a pic of an encoder circuit using the chips you suggested. 
> 
> http://xa.yimg.com/kq/groups/3694848/or/465001900/name/encoder+counter+%26+buffer+circuit+v2.jpg
> 
> I chose to use a dual FF IC  (74HC74D) to decode the encoder.. I also tried to include a debouncing circuit before the signals go into the FF.
> 
> Please take a look and see if this is on the right path.  I left the 4024's reset line and the 74HC244's enable lines open for you to possibly show me how you use them with the Hawk Boards I/O lines.
> I assume the outs on the 244 go directly to the main CPU bus.
> 
> Of course I only showed half of the full circuit for one encoder.. X out circuit is the same as Y outputs circuit.
> 
> I assume the counter changes it's output lines as a binary number.. so in essence, with 7 bits it can produce a number between 0 to 127?
> 
> Is it possible to test this thing with LED's at the outputs of either the counter or the buffer using a simple breadboard and 7 LED's?
> 
> Any further suggestions?  Am I on the right path with this design?
> 
> Thanks in advance for all your help.
> 
> -Blaine
>