[sdiy] Finally - after almost 2 weeks of tuning problems .......
rykhaard at gmail.com
Sun Jan 8 21:17:52 CET 2006
thanks especially to Dr. Timothy Stinchcombe, Harry Bissell, Ken Stone et
al, I have a proper tuning method for the rotary switches on my
sequencer!!!! :D :D :D
All of the fiddlings trying to get one method to work properly, but never
QUITE getting there - was frustrating as heck!
Now - thanks to combining Dr. Tim's suggestion of the Constant Current
Source combined with Ken Stone's LM329 6.9V reference - I have a proper
tuning structure for the rotaries! :D
I just finished hooking up the CCS after the LM329 6.9V reference to one
rotary switch - tuned it up to 1V/octave, and it's flawless on each of the
12 notes. :) Barely a bit of beating - but I tuned in a rush. With a
slight bit of fine tuning, it'll be beat free across the octave. :)
I'm off to hook up the other 3 rotary switches, and will be posting a new
WAV sample to my website - with the 4 rotaries playing a changing sequence -
this time - PROPERLY tuned! Haha. :D
Once the rest of the system is put together, I'll be posting a schematic of
it for everyone, on my webpage. :) Hopefully others may find it useful for
building, as well. :)
Again everyone who has helped greatly over the past 10 days or so - thank
you IMMENSELY! :D :D Credit for each is posted on the webpage already as
Warmth and Peace,
http://deathlehem.bravehost.com/damian.html - D.A.M.I.A.N.;s webpage - Jan.
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