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| Search found 13 matches |
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| Page 1 of 1 [13 Posts] |
| Author | Message |
|---|---|
 Topic: Source of gold wire for keyboard contacts |
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| Quintus Replies: 2 Views: 8030 |
Posted: Sat Jul 06, 2013 10:28 am Subject:
Source of gold wire for keyboard contacts
Forum: DIY Hardware and Software » Musical Interfaces |
| I posted this in your other thread but more appropriate here.
Kimber Allen (Swanley UK) organ suppliers have gold contact wire on page 50 of part 2 of the pdf catalogue: Gold Clad Wire .015&quo ... |
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| Topic: PIC12F675 based Sub-Oscillator |
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| Quintus Replies: 4 Views: 8163 |
Posted: Sat Jul 06, 2013 9:00 am Subject:
PIC12F675 based Sub-Oscillator
Forum: DIY Hardware and Software » Microcontrollers and Programmable Logic |
| Kimber Allen (Swanley UK) organ suppliers have gold contact wire on page 50 of part 2 of the pdf catalogue:
Gold Clad Wire .015" dia code GS109/02 I bought some bus bars from them a couple ... |
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| Topic: AY-Voice is Underway |
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| Quintus Replies: 153 Views: 169813 |
Posted: Fri Jun 15, 2012 2:19 am Subject:
AY-Voice is Underway
Forum: DIY Hardware and Software » Thomas Henry designs |
| Thomas
I too have been watching with interest and ordered the AY chip. It is an excellent project as is the GM voice I have 4 boards with controllers using PIC18F452. I would however use the PICaxe ... |
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| Topic: The GM Voice |
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| Quintus Replies: 304 Views: 554574 |
Posted: Sun Apr 01, 2012 1:50 am Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| The reg does run hot and I now use low drop out reg instead of the 78 series
The code for XG reset is F0 43 10 4C 00 00 7E 00 F7 (hex) The module should start in XG mode on power-up. You ... |
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| Topic: The GM Voice |
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| Quintus Replies: 304 Views: 554574 |
Posted: Wed Jun 08, 2011 7:13 am Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| Harry
That looks OK. I would be tempted to use a different power supply if you are getting a new board. Or even try batteries monitor the tempreature +++. Might be worth checking the current the ... |
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| Topic: The GM Voice |
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| Quintus Replies: 304 Views: 554574 |
Posted: Wed Jun 01, 2011 1:56 pm Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| Harry
If the chips get alarmingly hot I am afraid that suggests a power problem to me. What are the off load voltages? It might be worth posting a photo of your board to see if anyone can see a fau ... |
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| Topic: The GM Voice |
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| Quintus Replies: 304 Views: 554574 |
Posted: Wed Jun 01, 2011 9:32 am Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| Harry
How are you controlling the board keyboard or computer? I remember I did have a problem once when an NEC would not start and I sent it a sysex XG reset message and it worked. With my PIC con ... |
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| Topic: The GM Voice |
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| Quintus Replies: 304 Views: 554574 |
Posted: Tue May 31, 2011 1:49 pm Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| Are these voltages with the NEC clone connected? The +/- 12V supply if I remember correctly supply the audio circuits on board and there are two onboard regulators so you can use +/-9V instead of 12V ... | |
| Topic: The GM Voice |
|
| Quintus Replies: 304 Views: 554574 |
Posted: Wed Mar 02, 2011 8:10 am Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| Raoulblues
Thank you very much. I will have to try my schoolboy french of 40+ years ago and read your manual. At the moment I have to convert the QS voices into assembler tables and load them in with ... |
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| Topic: The GM Voice |
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| Quintus Replies: 304 Views: 554574 |
Posted: Sun Feb 27, 2011 1:18 pm Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| Each footage of the organ is one voice ie one element therefore each DB50 has eight note polyphony (32/4). I tried it with one module to start with and there was a lot of note stealing. If I remember ... | |
| Topic: The GM Voice |
|
| Quintus Replies: 304 Views: 554574 |
Posted: Sun Feb 27, 2011 10:51 am Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| This is the organ drawbar controller circuit and the code. I am still getting a few bugs out of the controllers with LCD and the presets. I will post these later if there is any interest. | |
| Topic: The GM Voice |
|
| Quintus Replies: 304 Views: 554574 |
Posted: Fri Feb 25, 2011 3:59 pm Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| Dan
Thank you I will try and print out a circuit over the weekend. I have just started to "tidy up" the .asm file for the code. At first it will be for a simple version. Quintus |
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| Topic: The GM Voice |
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| Quintus Replies: 304 Views: 554574 |
Posted: Fri Feb 25, 2011 8:22 am Subject:
The GM Voice
Forum: DIY Hardware and Software » Thomas Henry designs |
| I have just finished this double keyboard using four DB50XG cards. Two are used to provide an 8 drawbar organ sine or sawtooth (QS300 voices) controlled by one 18F452 (left panel) with the board inter ... | |
| Page 1 of 1 [13 Posts] |
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