Re: [ComputerVoltageSources] Re: Documentation and design files updated
2007-11-12 by Norman Fay
Count me in on this as well, please. On Nov 12, 2007 10:49 AM, The Alison Project
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Re: [ComputerVoltageSources] Re: Documentation and design files updated
2007-11-12 by The Alison Project
Count me in Chris The Alison Project www.thealisonproject.com ... From: Scott Deyo To: ComputerVoltageSources@yahoogroups.com Sent: Sunday, November 11, 2007
Re: [ComputerVoltageSources] Re: Documentation and design files updated
2007-11-12 by Josue Arias
Hi Scott, Please count me for 1 set too, maybe the panel too... Josue. ... [Non-text portions of this message have been removed]
Re: [ComputerVoltageSources] Re: Documentation and design files updated
2007-11-12 by krisp
Hi Scott I put my name down for one set of boards and panels I was going to suggest doing a board run myself but if your willing to do it Scott then count me
Re: [ComputerVoltageSources] Re: Documentation and design files updated
2007-11-12 by Scott Deyo
I m willing to do the board run if there is enough interest. I guess we need at least 8, and I am one of those, so 7 are left. If we get enough, I could also
Re: Documentation and design files updated
2007-11-11 by djbrow54
I did a bit of checking with TI on the status of the DAC7714UB. It is still in allocation pending conversion to a new tester which is scheduled in Q1 2008. I
Re: [ComputerVoltageSources] Re: 4 Channel CV recorder looper?
2007-11-01 by Bruce Duncan
... Check out the Modcan CV Recorder 57 It samples low frequency analogue input and stores the values to SRAM. When the 512K x 8 ram is full it plays it back
Re: 4 Channel CV recorder looper?
2007-11-01 by djbrow54
It wouldn t be that hard to do. It s been 2.5 years since I wrote my trig-gate-cv delay but the basic concept is I have three 128 event buffers. The first is
Re: 4 Channel CV recorder looper?
2007-10-31 by Grant Richter
I always thought it would be fun to have a 4 channel looper that could loop the VCO CV, wave CV, filter CV and VCA CV. That way when you play a neat little
Re: 4 Channel CV recorder looper?
2007-10-27 by djbrow54
Not exactly sure what you mean by a looper. It depends upon whether your CV is continuously variable or steps between discrete values. I did an arpeggiator
RE: [ComputerVoltageSources] 4 Channel CV recorder looper?
2007-10-26 by John Loffink
No experience with that, but you can add limited RAM using the I2C bus, 256x8 SOICs or DIPs are available, up to eight addressable. If you can tolerate the
Re: [ComputerVoltageSources] 4 Channel CV recorder looper?
2007-10-26 by Eric Brombaugh
This one: http://www.basicmicro.com/Product.aspx?productID=114&CategoryID=2 Eric ... __________________________________________________ Do You Yahoo!? Tired of
Re: [ComputerVoltageSources] 4 Channel CV recorder looper?
2007-10-26 by Samppa Tolvanen
... Which basic atom (pro) particulary has this limit? Samppa
Re: [ComputerVoltageSources] 4 Channel CV recorder looper?
2007-10-26 by Eric Brombaugh
The BasicAtom Pro has fairly limited RAM - only 2k if the documentation on their site is right. That s going to severely restrict the sample rate and/or
4 Channel CV recorder looper?
2007-10-26 by Grant Richter
Has anyone experimented with doing a 4 channel recorder looper? I need one for an experiment. Any comments before I try to program one?
SMT soldering
2007-10-13 by djbrow54
Based on drmabuce s posting, I added a photo and record in the database on my technique for SMT soldering. There may be better methods but this is how I have
the beta diaries, 3rd installment
2007-10-08 by drmabuce
Hi All When i deal with a large, multi-part project like this i subscribe firmly to the policy of divide and conquer. Mr. Brown was particularly helpful to me
Documentation and design files updated
2007-09-30 by djbrow54
Two of the beta builders have made good progress with ordering parts and building boards. Neither seemed to have too much trouble soldering the SMT DACs. Since
The "Beta diaries" installment 2; another CVS emerges from the primordial ooze!
2007-09-25 by drmabuce
Hi All, Here is the next installment of my CVS assembly project diary. At Mr. Brown s suggestion, i stuffed and soldered the CVS PCB in functional sections.
Re: LCD_Support Build Guide
2007-09-11 by djbrow54
Any tips or building guides for the LCD_Support FAQ?
Re: LCD_Support Build Guide
2007-09-10 by drmabuce
Hi All My impression is that the zeitgeist of the CVS is a pool of shared subroutines and applications that run on a pretty-standardized platform.
RE: [ComputerVoltageSources] LCD_Support Build Guide
2007-09-08 by John Loffink
Just to clarify, the LCD Support PCB is not open source , nor has it ever been advertised as such. We provide enough information and materials to make it
Re: [ComputerVoltageSources] LCD_Support Build Guide
2007-09-08 by Samppa Tolvanen
Hi, John. ... Basicly the schematics are already there in the overlay picture, for the source code - yes. It s pretty elemental part of PSIM-1/CVS systems as
RE: [ComputerVoltageSources] LCD_Support Build Guide
2007-09-08 by John Loffink
Samppa, Are you talking about the LCD Support PCB schematics and gerbers, or the Atmel AVR code? In either case, why is the lack of those a problem? John
Re: LCD_Support Build Guide
2007-09-08 by djbrow54
I went ahead and uploaded my latest CVS PCB build guide as well. I hope the people building boards will add their tips and learnings to this database. Dave ...
Re: LCD_Support Build Guide
2007-09-07 by drmabuce
Hi Dave i just found the LCD FAQ database in the -database- section of the group...what a concept huh!? sorry for the unnecessary query tgif, -doc
Re: [ComputerVoltageSources] LCD_Support Build Guide
2007-09-07 by Samppa Tolvanen
... Maybe the biggest problem is that no Source code is available for the LCD_support PCB? Samppa
LCD_Support Build Guide
2007-09-06 by djbrow54
I thought that a Build Guide for the LCD_Support PCB might be in order based upon some recent emails. I thought about authoring one but wanted a mechanism for
Re: 16x2 LCDs for LCD Support PCB
2007-09-06 by djbrow54
I went ahead and added notes to the three schematic configurations. I figured the clarity would help in addition to your BOM notes. Dave
16x2 LCDs for LCD Support PCB
2007-09-05 by John Loffink
The LCD Support PCB is designed to stack directly on top of the 16x2 LCD. The LCD Support PCB works with the following backlit LCDs: Modification required, as
New file uploaded to ComputerVoltageSources
2007-09-05 by ComputerVoltageSources@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the ComputerVoltageSources group. File :
RE: [ComputerVoltageSources] Re: Discontinued Seiko L1672
2007-09-05 by John Loffink
I ll update the BOM, which shows the rework. John Loffink The Microtonal Synthesis Web Site http://www.microtonal-synthesis.com The Wavemakers Synthesizer Web
Re: Discontinued Seiko L1672
2007-09-05 by djbrow54
John - We ve (I ve) got mixed schematics in the folder showing different configurations. Do we want these schematics to show how the board is routed or how it
RE: [ComputerVoltageSources] Discontinued Seiko L1672
2007-09-04 by John Loffink
According to this product brochure http://www.eio.com/dotmatrixlcd.pdf they appear to be physically the same. However, the critical part is the location of
Discontinued Seiko L1672
2007-09-04 by Grant Richter
I was looking for this display. Found a page that said old part number M1632 . Tried that part number, and found one on eBay for $8. Took a chance and ordered
SV: [ComputerVoltageSources] SMT closeup photo
2007-08-29 by Anders
I´m going to do a report and upload some pics during the weekend. Certain problems with sourcing components have been experienced. Anders, Sweden
anyone with contact info on Brice?
2007-08-27 by p. hendricks
it s been many months since I ve heard from him.... still waiting on that PSIM.... 3+ years. any info would be much appreciated. thanks! -phil
CVS status
2007-08-12 by djbrow54
So far I ve received feedback on one error in the parts list. I had four 100K resistors listed as 100R s. I ve decided to just post an error log in the Files
The CVS project diary Chapter 1 ...SMT
2007-08-11 by drmabuce
Hi CVS-ites i bought one of the CVS PCB s from Mr. Brown. i ve decided (unilaterally) to post a diary of the process of transforming the project from little
SMT closeup photo
2007-08-05 by djbrow54
I put a closeup photo of the SMT soldering (SMT.jpg) in the Files Hardware CVS Module folder. This is on my original non-solder masked PCB. Compare the
Dedicated CVS Applications
2007-08-04 by djbrow54
Thought I d pass along two programs I ve written which could be turned into dedicated modules using the CVS board. I actually something similiar to this some
Group Poll
2007-08-04 by djbrow54
I just created a poll. I didn t want to release the PCB design files until we got some feedback on buildability and documentation from the few early boards.
New poll for ComputerVoltageSources
2007-08-04 by ComputerVoltageSources@yahoogroups.com
Enter your vote today! A new poll has been created for the ComputerVoltageSources group: When should the CVS PCB design files be posted so members can
Re: [ComputerVoltageSources] Editorial Comment
2007-08-03 by Scott E.
Hi all, Count me in for a group buy on the PCB, but I will wait for the Stooge panel, thx. :) I would also like to thank Dave and John for their efforts, as
Re: [ComputerVoltageSources] Re: Editorial Comment
2007-08-03 by mcb, inc.
... Another design option is to layout for an SMT part or the same part on a DIP converter. Then the people who really can t work SMT just need to find
Re: [ComputerVoltageSources] Editorial Comment
2007-08-03 by John Mahoney
... Right, and guess who has written the most PSIM software? That s right: Dave Brown. -- john -- No virus found in this outgoing message. Checked by AVG Free
Re: [ComputerVoltageSources] Editorial Comment
2007-08-03 by Eric Brombaugh
... Aha. That was the other alternative. I guess being locked in would require the layout be redone, which is a nuisance. ... Yes, it appears to be a
Re: Editorial Comment
2007-08-03 by djbrow54
I always hoped someone would take my design, do it on a larger format, add dual parts (DIP and SMT) for the DACs, and make it more buildable. However, the DIP
Re: [ComputerVoltageSources] Editorial Comment
2007-08-03 by Samppa Tolvanen
Hi, ... Ah, no: Using ExpressPCB - Design is tied to their service, which means, for gerbers (ect.) layout has to be done again with some other software. The
Front Panel
2007-08-02 by djbrow54
If you are going to use my panel design, I have some suggestions. Double-check the LCD dimensions. This fit perfect for the display I used but I don t think it