[sdiy] Synth-DIY breadboard Module...
Theo
t.hogers at home.nl
Fri Aug 16 01:51:41 CEST 2002
<corny mode>
Cynthia? shouldn't that spell Synthi-A ;^p
</corny mode>
Sorry couldn't resist, but maybe this is how EMS got the name in the first
place?
Theo
From: Peter Snow <psnow at magma.ca>
> Doug et al,
>
> At least it has gone to a good home. It looks like it was "our" Cynthia
who had the winning bid.
>
> Cheers,
>
> Peter
>
> epeasant at telusplanet.net wrote:
> >
> > I really should have plugged some BBDs into the socket
> > before I took that picture to really see Harry explode! :-P
> >
> > Anybody that wants to get in deep trouble with Harry, buy
> > this for only $25 (not mine):
> >
> > http://cgi.ebay.com/ws/eBayISAPI.dll?
> > ViewItem&item=1758467274
> >
> > Take care,
> > Doug
> >
> > ______________________
> > The Electronic Peasant
> >
> > www.electronicpeasant.com
> >
> > > Howdy Doug...
> > >
> > > Nah... your slinky reverb is my WORST nightmare ;^P
> > >
> > > Looks pretty good (except the solderless breadboard
> > > part).... The
> > > slope front is kind of unique.... puts a whole new angle
> > > on the circuits
> > >
> > > don't it....
> > >
> > > Mind a suggestion of why your tilt-sensor prototpye gave
> > > unusual results
> > > ??? ;^P
> > >
> > > ...for those newbies who have not heard me rant on these
> > > breadboards...
> > > I don't like them because they are not robust. More time
> > > may be taken
> > > with a circuit that does not work for mechanical (bad
> > > contact - short)
> > > or
> > > parasitic electrical (too much stray capacitance - lack
> > > of good
> > > decoupling)
> > > problems.
> > >
> > > I had a friend in college who prototyped a voltage
> > > controlled theatrical
> > > light
> > > dimmer on one of these... It worked well just until he
> > > tried to show it
> > > to a commercial
> > > prospect (this was cutting edge technology in those
> > > days... lights were
> > > still
> > > run by crude SCR dimmer packs, or even rheostats... and
> > > patched through
> > > VCS3
> > > style matrices on steroids !!!).
> > >
> > > It failed to work. For five agonizing minutes he mumbled
> > > "it works, it
> > > really works..."
> > > until the prospect left with the "don't call us we'll
> > > call you..."
> > >
> > > He never did find that loose connection... he pulled all
> > > the parts out
> > > and re-installed
> > > them and it worked again.... several hours after
> > > opportunity knocked,
> > > found no-one
> > > home, and moved on ;^(
> > >
> > > I swore not to use these ever (myself)... every engineer
> > > I work with
> > > hates them. Bob
> > > Pease hates them.....
> > >
> > > Some S-DIY 'ers like them. SOME of them like BBDs as
> > > well. No accounting
> > > for
> > > taste I guess. ;^)
> > >
> > > I do like Vector board and T42-1 push in terminals, 24 -
> > > 26ga bare (bus)
> > > wire...
> > > and teflon sleeving myself. Its expensive (the clips are
> > > $.04 in
> > > thousands...) but if
> > > I make a successful proto, it can go in a metal box and
> > > work for the
> > > next 30 years
> > > (because some have.., and still do...) The teflon
> > > sleeving cannot be
> > > melted with a soldering iron... so there are never any
> > > melted through or
> > > stripped back insulation
> > > problems.
> > >
> > > Every short on those boards is put there by ME personally
> > > !!!
> > >
> > > The technique of laying out such a circuit takes some
> > > skill, and
> > > probably helps you
> > > to draw the schematic, and really plan the layout. It
> > > discourages just
> > > "swapping out"
> > > components... it can be done but takes more effort.
> > > Worth it in my
> > > book.
> > >
> > > So bless those who have success with whatever technique
> > > they like...but
> > > don't cry
> > > to me about your solderless breadboard problems (i told
> > > you so ;^)
> > >
> > > H^) harry (hard-wired harry)
> > >
> > > epeasant at telusplanet.net wrote:
> > >
> > > > Here is one of Harry's worst nightmares:
> > > >
> > > >
> > > www.angelfire.com/electronic/epeasant/images/breadbox.jpg
> > > >
> > > > and inside:
> > > >
> > > >
> > > www.angelfire.com/electronic/epeasant/images/breadin.jpg
> > > >
> > > > I built it in 1992 from mostly salvage parts
> > > (including
> > > > case), has adjustable bipolar and fixed 5 volts power
> > > > supply, 555 based audio oscillator, BNC connectors
> > > for
> > > > signals and banana posts for other connections. 4
> > > patchable
> > > > toggle switches complete the unit. When I need a pot,
> > > I
> > > > simply insert a trimpot where needed. It has served me
> > > well.
> > > >
> > > > Take care,
> > > > Doug
> > > > ______________________
> > > > The Electronic Peasant
> > > >
> > > > www.electronicpeasant.com
> > > >
> > > > > Maybe Harry shouldn't read this ;^) .... in
> > > involves
> > > > > solderless plug
> > > > > strips...
> > > > >
> > > > > I modified my solderless plug strip today
> > > (something
> > > > > I built from
> > > > > off the shelf plug strips about 20 years ago). One
> > > > > problem with the
> > > > > plug strip is that it is difficult to interface
> > > with
> > > > > anything.
> > > > >
> > > > > I mounted a 1" x 1" aluminum angle on the base
> > > board,
> > > > > and drilled
> > > > > holes for 2 pots and 7 1/4" jacks...although, after
> > > I
> > > > > finished putting
> > > > > the last jack in the thing, I realized I should
> > > have
> > > > > included some
> > > > > banana jacks as well (I use both...guess that makes
> > > me
> > > > > schizophrenic...).
> > > > >
> > > > > Anyway, looks like it will be a lot easier to
> > > quickly
> > > > > build
> > > > > something up and give it a test.
> > > > >
> > > > > --
> > > > > -Jim
> > > > > ------------------------------------------------
> > > > > * Visit:http://www.silcom.com/~patchell/
> > > > > *-----------------------------------------------
> > > > > *I'm sure glad Merry Christmas comes just once a
> > > year
> > > > > * -Yogi Yorgensen
> > > > > ------------------------------------------------
> > > > >
> > > > >
> > > > >
> > >
> > > --
> > > Jihad Terrorism Conspiracy New World Order
> > > Revolution Black Helicopters Freedom of
> > > Speech First Amendment Rights: Carnivore Bait
> > > go ahead and READ my e-mail I have nothing to
> > > hide... how about YOU ???
> > >
> > >
> > >
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