[sdiy] Synth-DIY breadboard Module...

Peter Snow psnow at magma.ca
Thu Aug 15 23:50:27 CEST 2002


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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