Go Back   Home > Forums > Source & Line > Digital Source

Digital Source Digital Players and Recorders: CD , SACD , Tape, Memory Card, etc.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 25th January 2012, 05:38 PM   #21
diyAudio Member
 
Join Date: Jan 2003
Location: LA
Quote:
Originally Posted by glt View Post
Glad to see that you are planning to the hifiduino code.

There are two blogs: hifiduino.blogspot.com describe mostly the code for WM8741; hifiduino.wordpress.com describes the code for ES9018

The code for WM8741 uses a serial LCD and a Sony Remote
The code for ES9018 uses a parallel LCD and an Apple Remote

The code for the ES9018 is "nicer" (since i got more experience). So for example you can take the code for the parallel LCD here and use it in the code for the WM8741.

Make sure you use the 5v to 3.3v level converter. The Wolfson parts are NOT 5V tolerant.
I looked at the arduino page for the LCD API, and it says it supports both parallel and serial LCD's, so seems like the code should work with either.
(Priyesh pointed this out to me)
LCD API page

With a parallel LCD, dimming and contrast have to be done with pots.

Randy
__________________
My system is here
http://randytsuch-audio.blogspot.com/2005/10/my-system.html
  Reply With Quote
Old 25th January 2012, 06:53 PM   #22
diyAudio Member
 
merlin2069er's Avatar
 
Join Date: Sep 2008
Location: Toronto
Blog Entries: 1
Send a message via MSN to merlin2069er
Quote:
Originally Posted by pinnocchio View Post
Here it is!

If you make changes, please share with us

Please rename the extension to .xls since it is an Exel file

Thanks
Do
I think something is wrong with your spreadsheet. I can't seem to open it up.
  Reply With Quote
Old 25th January 2012, 07:14 PM   #23
diyAudio Member
 
Join Date: Jan 2003
Location: LA
Quote:
Originally Posted by merlin2069er View Post
I think something is wrong with your spreadsheet. I can't seem to open it up.
I just opened it up, but I had to figure out how to show file extensions in Windows 7 first, then rename the extension to .xls, and it worked. If adobe is trying to open it, the extension is wrong.



I have a question on the crystal.

I think the capacitance you put on the crystal depends on the crystal used.
Do has chosen a crystal with 18pf, so I think the two crystal caps should change to 18pf.
Right now, the file shows 30pf caps.
Should it change?

Randy
__________________
My system is here
http://randytsuch-audio.blogspot.com/2005/10/my-system.html
  Reply With Quote
Old 25th January 2012, 07:45 PM   #24
diyAudio Member
 
merlin2069er's Avatar
 
Join Date: Sep 2008
Location: Toronto
Blog Entries: 1
Send a message via MSN to merlin2069er
I changed the extension to .xls. I'm trying to open it up in excel 2010.
  Reply With Quote
Old 25th January 2012, 08:47 PM   #25
Just DIY!
diyAudio Member
 
pinnocchio's Avatar
 
Join Date: Sep 2010
Location: Montreal
Quote:
Originally Posted by randytsuch View Post
I just opened it up, but I had to figure out how to show file extensions in Windows 7 first, then rename the extension to .xls, and it worked. If adobe is trying to open it, the extension is wrong.



I have a question on the crystal.

I think the capacitance you put on the crystal depends on the crystal used.
Do has chosen a crystal with 18pf, so I think the two crystal caps should change to 18pf.
Right now, the file shows 30pf caps.
Should it change?

Randy
Are you referring to C28, C29? If yes, they're 33pF but the closest match I can find for a 12Mhz crystal is 32pF...

Not to sure about this one. If you're sure then I'll just change the part for the crystal.
  Reply With Quote
Old 25th January 2012, 08:49 PM   #26
diyAudio Member
 
Join Date: Jan 2003
Location: LA
Quote:
Originally Posted by merlin2069er View Post
I changed the extension to .xls. I'm trying to open it up in excel 2010.
See if this works.

I zipped his file.
Attached Files
File Type: zip minidac.zip (5.5 KB, 91 views)
__________________
My system is here
http://randytsuch-audio.blogspot.com/2005/10/my-system.html
  Reply With Quote
Old 25th January 2012, 09:13 PM   #27
Just DIY!
diyAudio Member
 
pinnocchio's Avatar
 
Join Date: Sep 2010
Location: Montreal
Here's an updated version.

Please note that I had a diode in there that should have not been there...
Attached Files
File Type: zip minidac.zip (5.7 KB, 72 views)
  Reply With Quote
Old 25th January 2012, 09:31 PM   #28
glt is offline glt  United States
diyAudio Member
 
Join Date: Oct 2004
Quote:
Originally Posted by randytsuch View Post
I looked at the arduino page for the LCD API, and it says it supports both parallel and serial LCD's, so seems like the code should work with either.
(Priyesh pointed this out to me)
LCD API page

With a parallel LCD, dimming and contrast have to be done with pots.

Randy
I see. That is something new. That is a layer on top of the "native" or LCD-specific libraries. I use the "native" libraries. Parallel LCDs are more popular and cheaper.

I would recommend taking a look at this: https://bitbucket.org/fmalpartida/ne...stal/wiki/Home
__________________
www.hifiduino.wordpress.com

Last edited by glt; 25th January 2012 at 09:40 PM.
  Reply With Quote
Old 25th January 2012, 10:47 PM   #29
Just DIY!
diyAudio Member
 
pinnocchio's Avatar
 
Join Date: Sep 2010
Location: Montreal
Here's an updated version.

Please note that I had a diode in there that should have not been there...
Attached Files
File Type: zip minidac.zip (5.7 KB, 19 views)
  Reply With Quote
Old 26th January 2012, 04:15 AM   #30
Just DIY!
diyAudio Member
 
pinnocchio's Avatar
 
Join Date: Sep 2010
Location: Montreal
Default This is it for miniDac i guess!

Here's the final list but not yet confirmed for the ICs... I'm waiting for heartwinter's post on the package type...

I will do the BOM for the level converter and Wolfson receiver shortly!
Attached Files
File Type: zip minidac.zip (7.3 KB, 52 views)
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
High Performance WM8741 Upsampling DAC New Version - Group buy heartwinter Group Buys 114 13th April 2012 03:56 PM
High Performance WM8741 Super Mini DAC with I2S Data Switching PCB - Group Buy heartwinter Group Buys 26 19th January 2012 12:12 PM
High Performance WM8741 Super Mini DAC PCB Group buy heartwinter Group Buys 18 30th August 2011 05:45 PM
Wolfson High Performance 117dB DAC m.parigi Digital Source 1 21st February 2002 07:51 PM


New To Site? Need Help?

All times are GMT. The time now is 06:29 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2