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| Page 1 of 3 [58 Posts] | Goto page: 1, 2, 3 Next |
| Author | Message |
|---|---|
 Topic: Two Grand Ideas... IMHO |
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| sompost Replies: 0 Views: 2293 |
Posted: Tue Oct 05, 2021 2:27 am Subject:
Two Grand Ideas... IMHO
Forum: DIY Hardware and Software » Thomas Henry designs |
| Below are some of the ideas (two, actually...) that I deliberated over for quite some time. Instead of discarding them into the black hole of discarded projects, I thought I share them with you, and i ... | |
| Topic: 2019/2020 BUILD PHOTOS |
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| sompost Replies: 138 Views: 87285 |
Posted: Tue Mar 24, 2020 3:37 am Subject:
2019/2020 BUILD PHOTOS
Forum: DIY Hardware and Software |
| System 100 clone, built with Pharmasonic PCBs...
Wow, that's a neat little instrument! The leftmost bottom panel (labelled "computer") is a non-standard (USB-)MIDI unit, isn't it. Whe ... |
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| Topic: Guitar effects for keyboards |
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| sompost Replies: 3 Views: 2907 |
Posted: Thu Feb 13, 2020 11:48 am Subject:
Guitar effects for keyboards
Forum: DIY Hardware and Software |
| Hi all,
A few weeks ago, I accidentally won a Korg Poly 61 at an auction site. Its sound is a bit thin for my taste, that's why I intend to add a simple chorus circuit to "broaden" the so ... |
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| Topic: Problem with discrete potentiometer |
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| sompost Replies: 6 Views: 4120 |
Posted: Tue Aug 20, 2019 7:17 am Subject:
Problem with discrete potentiometer
Forum: DIY Hardware and Software |
| Thanks for your suggestions.
Here's a (bad) image of the situation I have: I've got 4 different voltages to choose between. The 5V and 3.3V are provided by the Arduino. A voltage divider provides ... |
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| Topic: Problem with discrete potentiometer |
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| sompost Replies: 6 Views: 4120 |
Posted: Mon Aug 19, 2019 10:27 am Subject:
 Problem with discrete potentiometer
Forum: DIY Hardware and Software |
| Hi all,
For a MIDI controller I need a non-monotonic i.e. discrete potentiometer with only a few (4 and 6) different resistor values. I built one using a rotary switch and resistors between the pos ... |
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| Topic: 2018 Build Photos |
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| sompost Replies: 65 Views: 40716 |
Posted: Sun May 27, 2018 10:59 am Subject:
2018 Build Photos
Forum: DIY Hardware and Software |
| My Jasper Wasp (see https://www.muffwiggler.com/forum/topic-157937.html for details) finally done!
The case is made of cheap wood that I stained black and then protected using 3 layers of Tru ... |
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| Topic: The Reprint Collection Is Back |
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| sompost Replies: 23 Views: 32734 |
Posted: Fri Jan 13, 2017 12:16 pm Subject:
The Reprint Collection Is Back
Forum: DIY Hardware and Software » Thomas Henry designs |
| Booze for reprint? Deal!
Ralph |
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| Topic: Another MIDI-to-CV interface |
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| sompost Replies: 33 Views: 47326 |
Posted: Mon Oct 31, 2016 12:23 am Subject:
Another MIDI-to-CV interface
Forum: DIY Hardware and Software » Arduino |
| The "freezing up" of LCDs happened to me a few times, too. But it was never terminal. I'm not the most careful handler of components but never actually managed to kill a device. They're quit ... | |
| Topic: Voltage Controlled Crossfader/VCA |
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| sompost Replies: 34 Views: 77097 |
Posted: Sun Sep 18, 2016 6:39 am Subject:
Re: Crossfader-only
Forum: DIY Hardware and Software » Thomas Henry designs |
| Did you ever build this?
No, I didn't. First, I've got plenty of other unfinished business to do, and second I dropped the voltage controlled mixer from the design. Ralph |
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| Topic: R.I.P. |
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| sompost Replies: 16 Views: 12497 |
Posted: Mon Jul 25, 2016 12:07 am Subject:
R.I.P.
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| This is really sad. After Ray had published a spring reverb circuit on Facebook a month or two ago, I was hoping that he was soon going to be well again. It was not to be.
Like for so many, so for ... |
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| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Wed Jun 08, 2016 4:59 am Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
Looking good!  |
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| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Fri Jun 03, 2016 11:19 am Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
| In order not to pollute this forum with my inane mumble, I've opened a page at my DIY blog to tell tales of misery and imagination. And Minimoog replicas. It's here: http://inaptlycrafted.blogspot.com ... | |
| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Mon May 30, 2016 7:21 am Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
Two weeks ago, I sent two of the smaller boards (power and VCF) to the [url=https://easyeda.com/order]EasyEDA PCB manufacturing service, and they have just returned. They're looking great! 
I m ... |
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| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Tue May 24, 2016 11:12 pm Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
| I haven't looked into keyboards yet, but as far as I understand, there's these two options:
a) Keybed has a diode matrix-type encoder built in (the connector has far fewer lines than there are keys ... |
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| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Wed May 04, 2016 11:11 pm Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
Here's my MiniMoog VCO layout. It looks awful - no straight lines. I'll fix that. Also, I still have to check it with the schematics. But at least, I'm getting somewhere. 
Don't ask me how I ... |
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| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Sun May 01, 2016 1:05 pm Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
| AndyR1960: Wow, I'd be glad if my clone ended up just half as cool (and unstable...) as yours.
LFLab: Thanks, but don't rush and order more PCBs just yet -- not for me anyway. As I've written above ... |
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| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Fri Apr 29, 2016 11:30 pm Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
| Ok, after I've more or less finished making stripboard layouts of all known MiniMoog boards (add here your thoughts), I've finally found an image of a PCB layout of the "old" VCO on Matrixsy ... | |
| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Thu Apr 21, 2016 3:20 am Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
| Ah, yes, that one
https://www.muffwiggler.com/forum/topic-126711.html My future self has already ordered. |
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| Topic: MiniMoog clone |
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| sompost Replies: 17 Views: 16673 |
Posted: Wed Apr 20, 2016 1:24 pm Subject:
MiniMoog clone
Forum: DIY Hardware and Software |
| I've got plenty of unfinished business, but there's always time to explore new projects.
Recently, I've stumbled over various sites by people who built MiniMoog clones, and I liked very much what I ... |
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| Topic: Where are you at? |
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| sompost Replies: 10 Views: 7249 |
Posted: Sat Apr 16, 2016 2:17 am Subject:
Where are you at?
Forum: DIY Hardware and Software » Developers' Corner |
I like how I can get away with being completely pants on a piano keyboard, and people still say nice things about what they hear with a straight face 
I can totally relate to that. Once, I carrie ... |
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| Topic: Germanium diode |
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| sompost Replies: 9 Views: 5483 |
Posted: Fri Apr 15, 2016 4:51 am Subject:
Germanium diode
Forum: DIY Hardware and Software |
| I'd say it depends on the details of the circuit. In his suggestion "my designer" wrote: "Any germanium will work fine here" (magic word: "here"). So there appear ... |
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| Topic: Germanium diode |
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| sompost Replies: 9 Views: 5483 |
Posted: Fri Apr 15, 2016 1:22 am Subject:
Germanium diode
Forum: DIY Hardware and Software |
| In the ASM-2 synth that I'm building, the designer suggests using a 1N34A as a substitute for the OA95.
But I'm just an ignoramus. |
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| Topic: Where are you at? |
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| sompost Replies: 10 Views: 7249 |
Posted: Thu Apr 14, 2016 11:22 pm Subject:
Where are you at?
Forum: DIY Hardware and Software » Developers' Corner |
| When I was in school (80s), my school buddy and I would listen to electronic music (Jean-Michel Jarre, Tangerine Dream, ...). He'd bought a monophonic synth (unfortunately, I can't remember which), an ... | |
| Topic: Voltage Controlled Crossfader/VCA |
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| sompost Replies: 34 Views: 77097 |
Posted: Sat Feb 27, 2016 2:58 am Subject:
Crossfader-only
Forum: DIY Hardware and Software » Thomas Henry designs |
| Hi all,
I would like to use this great circuit as a voltage controlled mixer (crossfader option on sheet 1 above). Because the master level would always be set to maximum level, and envelope contro ... |
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| Topic: Thomas Henry Circuits: Component specs |
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| sompost Replies: 5 Views: 5935 |
Posted: Thu Feb 11, 2016 12:57 am Subject:
Thomas Henry Circuits: Component specs
Forum: DIY Hardware and Software » Thomas Henry designs |
| Thanks, Alan and Grumble.
You both appear to support elmegil's point: where it matters, TH's circuits list film capacitors (polystyrene in case of the VCF-1). So I'll use those -- and then use what ... |
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| Page 1 of 3 [58 Posts] | Goto page: 1, 2, 3 Next |
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