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 Forum index » DIY Hardware and Software » fonik's place
PCBs for Dave Kendalls MIDI2Clock Motherboard
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fonik



Joined: Jun 07, 2006
Posts: 3755
Location: Germany
Audio files: 23

PostPosted: Tue Jun 07, 2011 3:03 am    Post subject: PCBs for Dave Kendalls MIDI2Clock Motherboard
Subject description: pre-order cutoff on 4th of July
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Dave Kendall recently told us about a circuit he designed, converting MIDI 2 Clock:
http://electro-music.com/forum/topic-47703.html
check out this thread.

some of indicated interest in professional made PCBs for this project. dave and me would do a PCB run if there would be interest in at least 30pcs.

the highlights of this project:
- MIDI input, and outputs 24PPQN CLOCKS, START, CONTINUE and STOP pulses.
- onboard 2-stage divider network with GATE and TRIGGER outputs (for different time signatures, pulse divisions and pulse widths)
- using just a rotary switch and 8 SPST changeover toggle switches (no menus or LCDs, or any of that malarkey)
- operating from 1 BPM to 250 BPM, and will track tempo changes smoothly.
- LED indicators for the various outputs, and a MIDI receive LED
- pin-header on the PCB that carries decoded MIDI as CMOS-compatible 8-bit parallel +5V logic, along with other useful internal circuit signals
- other pin-headers on the board allow for expansion to further circuits, eg, more divider stages, or remotely controlling the action of the switches.
- pin headers too for the transmit section of the main processor (CV to MIDI)
- no programmable ICs used, and no calibration is needed


The PCB is quite large (5.4 3.3 in), the price would be 12.-EUR/17.-USD (depending on exchange rate and order quantities).
I could do bundles with the UART, if needed.

Building Documentation now uploaded:
M2C Documentation PDF(approx. 2MB)

that's how the board will look like:
M2C board

i hope to do a video demo together with the klee2, cubase and or ableton on weekend (given that the new camcorder comes in time).

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cheers,
matthias
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Last edited by fonik on Mon Sep 05, 2011 5:55 am; edited 4 times in total
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wmonk



Joined: Sep 15, 2008
Posts: 485
Location: Enschede, the Netherlands
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PostPosted: Tue Jun 07, 2011 3:28 am    Post subject: Reply with quote  Mark this post and the followings unread

I am in! Very Happy

Cool project Matthias and Dave!

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bubzy



Joined: Oct 27, 2010
Posts: 543
Location: United Kingdom
Audio files: 52

PostPosted: Tue Jun 07, 2011 3:45 am    Post subject:   Reply with quote  Mark this post and the followings unread

mememememememememe!

-thats a +1 btw Smile



-oh, and a UART Very Happy

Last edited by bubzy on Mon Jun 13, 2011 5:30 am; edited 2 times in total
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keninverse



Joined: May 28, 2011
Posts: 14
Location: houston

PostPosted: Tue Jun 07, 2011 4:20 am    Post subject: Reply with quote  Mark this post and the followings unread

Most definitely will be in on a board!
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arrmcbain



Joined: Dec 13, 2010
Posts: 13
Location: Adelaide, Australia

PostPosted: Tue Jun 07, 2011 5:14 am    Post subject: Reply with quote  Mark this post and the followings unread

One for me please! :tu:
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magman



Joined: Feb 04, 2009
Posts: 361
Location: Liverpool, UK

PostPosted: Tue Jun 07, 2011 5:54 am    Post subject: Reply with quote  Mark this post and the followings unread

Ah good, another Fonitronik fix (with able support from Mr Kendall).

You can put me down for at least one (possibly more, if you need to reach a threshold).

Regards

Magman
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Dego



Joined: Apr 22, 2008
Posts: 139
Location: Sweden

PostPosted: Tue Jun 07, 2011 5:55 am    Post subject: Reply with quote  Mark this post and the followings unread

1 please + UART
Last edited by Dego on Tue Jun 07, 2011 11:52 pm; edited 1 time in total
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rosch



Joined: Oct 03, 2009
Posts: 162
Location: germany

PostPosted: Tue Jun 07, 2011 5:55 am    Post subject: Reply with quote  Mark this post and the followings unread

yup, 2 for me please
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Cynosure
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Joined: Dec 11, 2010
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Location: Toronto, Ontario - Canada
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PostPosted: Tue Jun 07, 2011 6:33 am    Post subject: Reply with quote  Mark this post and the followings unread

2 for me. Thanks!

What is the UART?
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Dave Kendall



Joined: May 26, 2007
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PostPosted: Tue Jun 07, 2011 7:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi guys.

Thanks for the interest Smile
The UART is a CMOS 3-state serial to parallel interface, that with extra logic ICs and other components, turns the MIDI serial data into parallel data. The old name for it is the IM6402IPL, and the newer version (made by Intersil) is the HD3-6402R-9Z. According to the intersil website, it's still being made. Both work, and the slower 2mHz version of either type works fine.

As far as the rest of the project data goes, I'll knock up a BOM and build notes when I get the time (very busy this week....). The schematic will be released after we've double-checked it with the boards, when we get them.

cheers!
Dave

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Cynosure
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PostPosted: Tue Jun 07, 2011 8:39 am    Post subject: Reply with quote  Mark this post and the followings unread

If the UART is needed for this then I'd be interested in getting it bundled with the PCB. It saves me having to hunt it down and paying for shipping twice.
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loydb



Joined: Feb 04, 2010
Posts: 369
Location: Providence, RI

PostPosted: Tue Jun 07, 2011 8:40 am    Post subject: Reply with quote  Mark this post and the followings unread

I'd for sure take a PCB, and I'd echo the request for a bundled UART if possible.
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fonik



Joined: Jun 07, 2006
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PostPosted: Tue Jun 07, 2011 10:13 am    Post subject: Reply with quote  Mark this post and the followings unread

i think, if this all happens, i will just order as much UARTS as desired. no problem at all.
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cheers,
matthias
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raoulblues



Joined: Oct 31, 2007
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PostPosted: Tue Jun 07, 2011 10:43 am    Post subject: Reply with quote  Mark this post and the followings unread

One for me please! +uart merci
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rosch



Joined: Oct 03, 2009
Posts: 162
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PostPosted: Tue Jun 07, 2011 12:38 pm    Post subject: Reply with quote  Mark this post and the followings unread

cool, please count me in for 2 UARTs, too
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brother303



Joined: Nov 02, 2010
Posts: 139
Location: ruhr-area/germany

PostPosted: Tue Jun 07, 2011 2:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi Matt,hi Dave,

yeees,way cool!

I´m in for a board and one chip.

Wink

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Danno Gee Ray



Joined: Sep 25, 2005
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PostPosted: Tue Jun 07, 2011 2:51 pm    Post subject: Reply with quote  Mark this post and the followings unread

I'll take 1 PCB + UART please.
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diablojoy



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PostPosted: Tue Jun 07, 2011 4:16 pm    Post subject: Reply with quote  Mark this post and the followings unread

I will take minimum 2 also with the uart option thanks matthias.
let me know if you fall short on numbers i can possibly increase my order also
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LektroiD



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PostPosted: Tue Jun 07, 2011 7:30 pm    Post subject: Reply with quote  Mark this post and the followings unread

count me in for 1

Thanks Matthias for another awesome project

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tommi



Joined: Dec 05, 2007
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PostPosted: Thu Jun 09, 2011 1:54 am    Post subject: Reply with quote  Mark this post and the followings unread

Hello, I'll be in for 1 PCB+UART. Thanks Matthias!
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tomcat



Joined: Oct 14, 2005
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PostPosted: Fri Jun 10, 2011 3:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

3 + uarts Smile

UPDATE: 4 + uarts

Last edited by tomcat on Wed Jun 22, 2011 12:01 pm; edited 1 time in total
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marvkaye



Joined: Mar 14, 2011
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PostPosted: Fri Jun 10, 2011 4:24 pm    Post subject: Reply with quote  Mark this post and the followings unread

2 plus UARTs for me as well. Another way cool project to add to the pile. Thanks for pulling this together.

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Level5



Joined: Feb 16, 2007
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PostPosted: Sat Jun 11, 2011 10:14 am    Post subject: Reply with quote  Mark this post and the followings unread

2 + UARTs
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tazer



Joined: Oct 18, 2010
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PostPosted: Sun Jun 12, 2011 4:32 am    Post subject: Reply with quote  Mark this post and the followings unread

2 boards and 2 chips please
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Jojjelito



Joined: Jun 27, 2007
Posts: 50
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PostPosted: Sun Jun 12, 2011 6:28 am    Post subject: Reply with quote  Mark this post and the followings unread

l'm in for one PCB plus UART chip please.
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