Search found 234 matches

by c0ntr4d1ct10n
Mon May 18, 2020 4:06 am
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

For anyone starting out collecting parts, I found this amazing gamechanger of a site: https://octopart.com/ All you have to do is copy and paste the mouser bom codes and it automatically compares the exact parts in all of the different sites and displays all the price breaks as well. I found that a ...
by c0ntr4d1ct10n
Mon May 18, 2020 4:00 am
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

search64 wrote:
Mon May 18, 2020 2:18 am
Are there any mirrors for the V1 build docs, BOM and firmware? The links in OP are all dead.
Have you tried this site: https://www.dsl-man.de/display/DDRM/DDRM+rev.1+guide
by c0ntr4d1ct10n
Sat May 16, 2020 12:19 pm
Forum: Eurorack Modules
Topic: Is Eurorack just extreme consumerism?
Replies: 363
Views: 17365

Re: Is Eurorack just extreme consumerism?

After two years and 7 rows of 84hp, my eurorack purchases have actually slowed down to a trickle. I think its because I've already got enough of every type of module that it would take something really unique and special to appeal to me (my last purchase was the Instruo Arbhar). I am now into vintag...
by c0ntr4d1ct10n
Sat May 16, 2020 12:01 pm
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

I'm wondering if anyone has bought an excess of some of the more expensive components for DDRM to take advantage of the price break and is looking to sell them at competitive prices. i.e. CEM3340/AS3340, V2164D, slide pots, etc.
by c0ntr4d1ct10n
Fri May 15, 2020 6:32 am
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

I heard that the firmware automatically adjusts for the pot range (which is why any pot within 10k-100k can be used) - is this correct? Slider pots are just voltage dividers that ADCs read, so it doesn't matter, 10k or 100k both ok. LED sliders have extra pins and can't be used as is. Also, extra u...
by c0ntr4d1ct10n
Thu May 14, 2020 11:15 pm
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

There are voltage test points on the power card. Nice, this will suit my plans to build my own acrylic faceplate with Bladerunner inspired artwork :yay: On the topic of leds, has anyone tried or thought about either adding leds to the slider pots, or somehow getting those led slider pots (which I k...
by c0ntr4d1ct10n
Thu May 14, 2020 10:02 pm
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

anyone know if there's a spare 5V or 12V pin somewhere that you can hook up an LED strip to? The schematics are a bit scant on detail.
by c0ntr4d1ct10n
Thu May 14, 2020 7:14 am
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

Thanks for the advice. I compared the price break on Mouser and Tayda still came out significantly cheaper - but a lot of it is because of the caps. I'd like to think that ive gained a sufficient amount of soldering experience in the past couple years from building two rows of 84 hp Mutable Instrume...
by c0ntr4d1ct10n
Thu May 14, 2020 2:51 am
Forum: Music Tech DIY
Topic: Deckards Dream General Build Thread
Replies: 1026
Views: 75040

Re: Deckards Dream General Build Thread

I'm about to start ordering parts for my DDRM build. How many of you used the cheapest parts for your build? I have compiled a couple of versions of the bom with pricing to compare buying the stock mouser parts and buying majority of the parts from Tayda. I noticed caps and resistors are $0.01 each ...
by c0ntr4d1ct10n
Fri Apr 10, 2020 2:37 am
Forum: Synthesis Techniques
Topic: Any way to detect envelope release rate
Replies: 6
Views: 227

Re: Any way to detect envelope release rate

Thanks Navs, pretty interesting, but did you work out in the end how to measure the value of the fall (i.e. its rate?) - I think that was one of your questions at the very start of the thread. The solution describes how to detect when a change in slope occurs, but I'm wondering if there is a way to ...
by c0ntr4d1ct10n
Fri Apr 10, 2020 1:01 am
Forum: Synthesis Techniques
Topic: Any way to detect envelope release rate
Replies: 6
Views: 227

Re: Any way to detect envelope release rate

Thanks kpreid, so I started giving this a go by generating an envelope from Maths into the HPF input of a NLC VCF module and looked at the final output on an oscilloscope, but was not getting any voltages at all. I even tried a few different HPFs and still the same. It only seems to generate a negat...
by c0ntr4d1ct10n
Thu Apr 09, 2020 10:36 pm
Forum: Synthesis Techniques
Topic: Any way to detect envelope release rate
Replies: 6
Views: 227

Any way to detect envelope release rate

To give you an idea of what I'm trying to achieve: just about every keyboard synth detects note-on velocity, but note-off velocity is rare. I have been messing around with a Hydrasynth (keyboard version) and the only thing missing is the release velocity. I figured that given it has cv input and out...
by c0ntr4d1ct10n
Thu Apr 09, 2020 9:52 am
Forum: General Gear
Topic: New poly synth/synth company - ASM Hydrasynth
Replies: 278
Views: 25987

Re: New poly synth/synth company - ASM Hydrasynth

I've had a look at the latest Midi Implementation (they only seem to have version 1.4 available) and it shows that the Hydrasynth does not transmit note-off velocity, only receives it. Does this mean that they removed the feature or the manual 1.0 is incorrect? Anyone know how I can revert the firmw...
by c0ntr4d1ct10n
Thu Apr 09, 2020 9:12 am
Forum: General Gear
Topic: New poly synth/synth company - ASM Hydrasynth
Replies: 278
Views: 25987

Re: New poly synth/synth company - ASM Hydrasynth

Anyone with the keyboard Hydrasynth been able to get note-off velocity (ie. Release velocity) to work? It says it exists as a modulation parameter in the manual, but mine's been updated to version 1.3.1 (which added mpe) and it seems the note-off has been replaced with MPEoffVc, which I can't seem t...
by c0ntr4d1ct10n
Fri Mar 13, 2020 8:59 am
Forum: General Gear
Topic: Novation Xiosynth - is there a midi in hack?
Replies: 2
Views: 198

Re: Novation Xiosynth - is there a midi in hack?

Thanks, I have the iconnect midi4+ but still can't get it working. I set the hybrid mode on the xiosynth to 2 to allow midi to be received and I'm pretty sure I've routed the usb host (which is what I am plugging the usb cable from the xiosynth into) to the midi DIN 1 input port. The iconnect config...
by c0ntr4d1ct10n
Wed Mar 11, 2020 10:11 am
Forum: General Gear
Topic: Novation Xiosynth - is there a midi in hack?
Replies: 2
Views: 198

Novation Xiosynth - is there a midi in hack?

I just got a cheap 2nd hand xiosynth and am really enjoying the sound. Of course I knew that there is no midi in port, but then I see that there is a setting for aftertouch. I also know that the keyboard itself does not transmit aftertouch, so I wondered if there must be some way to hook up an after...
by c0ntr4d1ct10n
Sat Feb 29, 2020 8:39 am
Forum: Music Tech DIY
Topic: Yamaha SY-1 vintage synth repair
Replies: 1
Views: 128

Re: Yamaha SY-1 vintage synth repair

So I managed to fix the aftertouch. Turns out that it was already working but very very subtle. I replaced the existing LDR with a new one (so I guess LDRs deplete over time?) Now its perfect and all three Touch Control switches work. The PWM, Piano, Reed, etc signal path still craps out sometimes w...
by c0ntr4d1ct10n
Sat Feb 29, 2020 3:48 am
Forum: Music Tech DIY
Topic: Yamaha SY-1 vintage synth repair
Replies: 1
Views: 128

Yamaha SY-1 vintage synth repair

I managed to get hold of an old Yamaha SY-1 ( Yamaha's first synth) off this guy that had it in his shed for probably 40+ years. It mostly works, sounds great most of the time. All the sliders were initially stuck but managed to get them moving with some force and they all work. Most of the keys in ...
by c0ntr4d1ct10n
Tue Feb 25, 2020 10:50 am
Forum: Music Tech DIY
Topic: Implementing PolyAT
Replies: 10
Views: 365

Re: Implementing PolyAT

I'm also wondering how difficult it would be to "hack" an existing midi synth which doesn't respond to any type of aftertouch to give it polyAT. Apparently this diy hardware is supposed to be able to provide this: https://larsee.com/blog/tag/midimixfix.html
by c0ntr4d1ct10n
Tue Feb 25, 2020 9:43 am
Forum: Music Tech DIY
Topic: Implementing PolyAT
Replies: 10
Views: 365

Re: Implementing PolyAT

I think I get it :hmm: Are you building a desktop synth and you want to implement poly aftertouch into it so that it can be played using any polyAT keyboard (eg. I am able to use the SQ80 to play polyAT on my Roland Juno ds88 and jd-xi) - am I correct? I would be interested to find this out as well.
by c0ntr4d1ct10n
Wed Feb 19, 2020 8:39 pm
Forum: Music Tech DIY
Topic: Adding poly aftertouch to a cheap keyboard
Replies: 6
Views: 438

Re: Adding poly aftertouch to a cheap keyboard

Thanks - gives me a lot of ideas to look into.
by c0ntr4d1ct10n
Tue Feb 18, 2020 11:46 pm
Forum: Music Tech DIY
Topic: Adding poly aftertouch to a cheap keyboard
Replies: 6
Views: 438

Adding poly aftertouch to a cheap keyboard

I'm thinking of circuit bending a cheap keyboard (one that has midi) and am trying to find out how aftertouch (particularly poly AT) works and whether it would even be possible to add it in. Through my research I already know that it can be implemented using Force Sensitive Resistors. Apparently the...
by c0ntr4d1ct10n
Mon Feb 17, 2020 5:39 pm
Forum: General Gear
Topic: Why won't my SQ80 receive sysex data?
Replies: 15
Views: 923

Re: Re:

jonne74 wrote:
Mon Feb 17, 2020 11:45 am
X PRO wrote:
Fri Apr 08, 2016 7:13 pm


I even used a MIDI librarian on my Atari ST to make sure my PC setup wasn't fucked up. Same behavior.

Tried the floppy drive and it's no good...
I'm sorry I'm not helping, but what year is it?
1987
by c0ntr4d1ct10n
Mon Feb 17, 2020 7:22 am
Forum: General Gear
Topic: Why won't my SQ80 receive sysex data?
Replies: 15
Views: 923

Re: Why won't my SQ80 receive sysex data?

So it looks like I can send individual patches to the SQ80 but cannot seem to send an entire patch bank to it. Apparently its got something to do with the sysex config where I have to set the correct Low Level Buffer Size, Number of Buffers and Delay time. Except nothing I put in there seems to work...
by c0ntr4d1ct10n
Sun Feb 16, 2020 6:31 am
Forum: General Gear
Topic: Why won't my SQ80 receive sysex data?
Replies: 15
Views: 923

Re: Why won't my SQ80 receive sysex data?

Anyone get this to work? I have the exact same issue. My computer is definitely communicating with the SQ80 because I can play the SQ80 using my pc keyboard on Midiox. I am connect via a iconnect midi4+. But when I try to send sysex data, it doesnt seem to appear on the SQ80, unless its hidden somew...

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