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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
mini synth sequencer
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nguga



Joined: Dec 19, 2005
Posts: 11
Location: portugal
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PostPosted: Wed Dec 21, 2005 6:53 am    Post subject: mini synth sequencer Reply with quote  Mark this post and the followings unread

hi ! i´m new here i just started building my Mini Synth Smile
but i´m already thinking about making a sequencer for it
sorry my english ... it is not my native language
I was thinking to use the already existing Led Sequencers
and place at each end of a led a variavel resistor so i could get form each led
a variavel voltage ( notes ... ) and output the result voltage into our Mini Synth .
so we could at real time change each led resistance in order to get
some cool note sequences , we could improve it with several ideas Smile
what do you think about this crazy idea ?

www.plastic4records.com
pedroinf
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Uncle Krunkus
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PostPosted: Wed Dec 21, 2005 7:14 pm    Post subject: Reply with quote  Mark this post and the followings unread

There's a simple sequencer like this already in one of the threads here.
Here's the link: -

http://electro-music.com/forum/topic-7338.html

There are a few other sequencer ideas we have links to as well if you're interested. Check out the DIY synth links page.

See ya
Andrew

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seraph
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PostPosted: Thu Dec 22, 2005 1:29 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi nguga
welcome to electro-music.com Very Happy
I edited your post to make it look better, of course Exclamation

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nguga



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PostPosted: Thu Dec 22, 2005 6:34 pm    Post subject: Reply with quote  Mark this post and the followings unread

thats great !

is there any Strip Board version ?


were can i download the board


thanks

pedroinf
www.plastic4records.com
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Uncle Krunkus
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PostPosted: Fri Dec 23, 2005 2:36 am    Post subject: Reply with quote  Mark this post and the followings unread

Ah, Um, Yes, Well,....
There would be a stripboard version if and when I get around to doing one. I'll see how I'm going over the holidays and let you know. Heck, I'm gonna want it on stripboard soon anyway Rolling Eyes

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nguga



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PostPosted: Fri Dec 23, 2005 7:27 am    Post subject: Reply with quote  Mark this post and the followings unread

Smile ok i will wait

I just finished the front panel of Mini Synth today morning .
i will start right now soldering on stripboard version of Mini Synth .



Happy Hollydays !
pedroinf
www.pedroinf.plastic4records.com
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Uncle Krunkus
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PostPosted: Fri Dec 23, 2005 2:40 pm    Post subject: Reply with quote  Mark this post and the followings unread

Smart move doing the front panel first.
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nguga



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PostPosted: Tue Dec 27, 2005 5:08 am    Post subject: Reply with quote  Mark this post and the followings unread

Posted Image, might have been reduced in size. Click Image to view fullscreen.
Posted Image, might have been reduced in size. Click Image to view fullscreen.
well and the strip board version is steel on the begining Smile 3 hours work
Posted Image, might have been reduced in size. Click Image to view fullscreen.
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nguga



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PostPosted: Tue Dec 27, 2005 8:22 am    Post subject: Reply with quote  Mark this post and the followings unread

Expandable 16 Stage LED Sequencer

http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm
Posted Image, might have been reduced in size. Click Image to view fullscreen.
""The circuit can be expanded to greater lengths by cascading additional shift registers and connecting the 8th output (pin 13) to the data input (pin 1) of the succeeding stage""

from the site
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nguga



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PostPosted: Tue Dec 27, 2005 8:31 am    Post subject: Reply with quote  Mark this post and the followings unread

10 Note Sequencer

Posted Image, might have been reduced in size. Click Image to view fullscreen.


Resistors (all 1/4 watt 5%)
Rl,3 10k
R2 47k
R5 22k

Potentiometers
RV1,2 2M2 linear
RV3 to RV12 10k miniature horizontal preset

Capacitors
C1 100uF 10V radial electrolytic
C2 l uF 63V radial electrolytic
C7 47OnF miniature polyester

Semiconductors
ici 555
1C2 4017BE
1C3 4001BE
.D1 to D10 1N4148

Miscellaneous
S1 6 way 2 pole rotary
SK1,15 Standard jack socket
Printed circuit board
Two control knobs, IC holders, wire, solder, etc.



this i found here:
http://www.physicsenterprises.andrews.edu/diy_archive/schematics/synths/penfold/pench3.html
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