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| Page 1 of 1 [25 Posts] |
| Author | Message |
|---|---|
 Topic: Radica (Mattel) U-create music |
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| blakeAlbion Replies: 5 Views: 9885 |
Posted: Sun Aug 18, 2024 4:29 pm Subject:
2024
Forum: DIY Hardware and Software |
| It seems like all knowledge of UCreate has fallen into the vortex of antiquity like my Keepon robot.
Does anyone know anything about the technical internals of this? I'm guessing it has an XML-base ... |
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| Topic: Matell Synsonics Pro - different PCB |
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| blakeAlbion Replies: 0 Views: 1343 |
Posted: Mon Aug 12, 2024 6:00 am Subject:
Matell Synsonics Pro - different PCB
Forum: DIY Hardware and Software » Circuit Bending |
| I'm looking for any info on the variations on the original Synsonics.
Looks like the Pro model came out in 1984 and I saw I confusing print ad implying that Gretch had purchased the brand. Mine (Mo ... |
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| Topic: AS3394 6-voice Synthesizer for DIY |
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| blakeAlbion Replies: 15 Views: 10921 |
Posted: Thu Jan 25, 2024 7:36 am Subject:
PCBs?
Forum: DIY Hardware and Software » Microcontrollers and Programmable Logic |
| Please help.
How can I obtain PCBs for this project? Is the only option to laser print the PDFs and then do an etch? I do not live in a location where I can do etching. Aside for trying to ... |
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| Topic: BOSS DR-110 mods |
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| blakeAlbion Replies: 52 Views: 123454 |
Posted: Tue Aug 29, 2023 12:33 pm Subject:
BOSS DR-110 mods
Forum: DIY Hardware and Software |
| Amazing what literacy can do.
I re-read this thread and found my answers. I will use a xiao to trigger my claps! Thanks! |
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| Topic: BOSS DR-110 mods |
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| blakeAlbion Replies: 52 Views: 123454 |
Posted: Mon Aug 28, 2023 7:21 pm Subject:
Dependency upon digital board?
Forum: DIY Hardware and Software |
| Hi! I have a DR-110 and really want to use its voice circuits in another drum machine. I remember doing this back in the 90s with a TR-909 and a DR-110. It was awesome to have the DR-110 voices under ... | |
| Topic: 16 Step 4017 sequencer? |
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| blakeAlbion Replies: 45 Views: 97765 |
Posted: Thu Mar 23, 2023 1:55 pm Subject:
Yuh, 1 4017 split by AND gates.
Forum: DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta |
| Back in the 80s we used 4 quad AND gate chips, controlled by a 4013 to switch at the start/end of each 8-beat bar.
The a bunch of diodes feeding the outputs into 4 pairs of mini-dips. So we had ... |
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| Topic: TR-808 Voice STRIP Boards... |
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| blakeAlbion Replies: 277 Views: 475834 |
Posted: Fri Feb 17, 2023 8:42 pm Subject:
Cow & Rim
Forum: DIY Hardware and Software |
| These are really weird, counterintuitive circuits. It's like an insane recipe made with nasty ingredients, and it turns out not just nice, but absolutely classic.
Okay, these are now mounted in the ... |
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| Topic: TR-808 Voice STRIP Boards... |
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| blakeAlbion Replies: 277 Views: 475834 |
Posted: Thu Feb 09, 2023 7:42 pm Subject:
Rimshot FET fetish
Forum: DIY Hardware and Software |
| Ahhck. I was using +/- 12V power. Switched to 15V and things are looking up. The FET is muting the noisy filters. It's still kind of dirty sounding, but I guess that's the real deal.
My only remain ... |
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| Topic: TR-808 Voice STRIP Boards... |
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| blakeAlbion Replies: 277 Views: 475834 |
Posted: Thu Feb 09, 2023 6:38 am Subject:
808 Rimshot Stripboard Q74?
Forum: DIY Hardware and Software |
| Hello, I can see this topic happened a long time ago.
Nonetheless I find myself building an 808 Cowbell on a solderable breadboard, and now working on a Rim Shot module. I have some questions. 1) ... |
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| Topic: AS3394 6-voice Synthesizer for DIY |
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| blakeAlbion Replies: 15 Views: 10921 |
Posted: Tue Oct 11, 2022 3:14 am Subject:
AS3394 6-voice Synthesizer for DIY
Forum: DIY Hardware and Software » Microcontrollers and Programmable Logic |
| Regarding this post, how would I create a set of PCBs using the links provided here? I have never fanned a pcb before.
Thanks, Ben |
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| Topic: CEM 3396 Analog Synth from scratch Project |
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| blakeAlbion Replies: 2 Views: 14601 |
Posted: Sun May 29, 2022 7:38 am Subject:
CEM 3396 Analog Synth from scratch Project
Forum: DIY Hardware and Software » Developers' Corner |
| How is VCO tuning done? My Six Trak had this terrible tuning procedure. | |
| Topic: 16 Step 4017 sequencer? |
|
| blakeAlbion Replies: 45 Views: 97765 |
Posted: Thu Apr 28, 2022 8:54 pm Subject:
16 Step 4017 sequencer?
Forum: DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta |
| I built my first 4017 sequencer when I was 16 back in 1983. A year later I figured out it was terrible for generating musical pitches but great for generating patterns. A year later I figured out how ... | |
| Topic: Korg Minipops |
|
| blakeAlbion Replies: 15 Views: 11322 |
Posted: Sun Mar 13, 2022 12:09 pm Subject:
Scarcity of Minipops documentation
Forum: DIY Hardware and Software |
| To my knowledge, there are Mini Pops 7 , Mini Pops 120, Mini Pops (0) service manuals out there. Apparently there was a Mini Pops 5 service manual. But I have seen no evidence of a Mini Pops Junior se ... | |
| Topic: Korg Minipops 5? |
|
| blakeAlbion Replies: 0 Views: 2164 |
Posted: Tue Sep 21, 2021 12:45 pm Subject:
Korg Minipops 5?
Subject description: need information on how to interface with Arduino, etc Forum: Instruments and Equipment » General Discussion |
| I have a Korg minipops 5 (Donkey Magic) and it sounds really nice.
I would like to mod the sounds a little, but at this time I am looking for information on how to add MIDI control to clock and trig ... |
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| Topic: Simple 2 Chip Drum Machine |
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| blakeAlbion Replies: 42 Views: 76394 |
Posted: Fri Sep 10, 2021 6:14 pm Subject:
Simple 2 Chip Drum Machine
Forum: DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta |
| Thanks! I saw Mouser has a number of larger inductors, but wow they are big and heavy and high-current. I’m putting this project off for a bit, but I have this Hammond Rhythm box with the rhythm log ... | |
| Topic: Simple 2 Chip Drum Machine |
|
| blakeAlbion Replies: 42 Views: 76394 |
Posted: Fri Sep 10, 2021 11:51 am Subject:
Simple 2 Chip Drum Machine
Forum: DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta |
| Uh... but some of these inductors are like 4H, 7H, 15H. Yow. I guess I could build the circuit and then wind me an inductor with some wire and keep wrapping until it sounds good. | |
| Topic: Simple 2 Chip Drum Machine |
|
| blakeAlbion Replies: 42 Views: 76394 |
Posted: Fri Sep 10, 2021 11:41 am Subject:
Simple 2 Chip Drum Machine
Forum: DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta |
| Huh I see some things here. https://www.electronicsurplus.com/search/inductor | |
| Topic: Simple 2 Chip Drum Machine |
|
| blakeAlbion Replies: 42 Views: 76394 |
Posted: Fri Sep 10, 2021 11:36 am Subject:
Simple 2 Chip Drum Machine
Forum: DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta |
| I am very interested in this topic. Where does one buy inductors similar to those in pre-1980 drum machines? | |
| Topic: Single transistor VCA circuit |
|
| blakeAlbion Replies: 79 Views: 194722 |
Posted: Wed Jul 01, 2020 4:59 pm Subject:
"Roland's DR-110 percussion unit"
Subject description: Simple VCA Forum: DIY Hardware and Software |
| I breadboarded the 1-transistor, 1-diode VCA shown above.
At first the sound quality was only suitable for white noise. But I was able to improve the circuit. Sorry I don't have a diagramming too ... |
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| Topic: Drum Tone Snare Problem |
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| blakeAlbion Replies: 8 Views: 16864 |
Posted: Tue Jun 30, 2020 7:00 am Subject:
Snare drum and single supply voltage
Forum: DIY Hardware and Software » PAIA Equipment |
| Okay, looking at the schematic, I will go after the + input of IC2. Looks like the white noise is controlled by bias voltage. The distortion would be horrible, but meh, it's white noise. | |
| Topic: Drum Tone Snare Problem |
|
| blakeAlbion Replies: 8 Views: 16864 |
Posted: Tue Jun 30, 2020 6:50 am Subject:
Snare drum too
Subject description: Snare drum not responding with +12 and a voltage divider for +5V Forum: DIY Hardware and Software » PAIA Equipment |
| The notes with the kit say I could just use a single power supply and a voltage divider (in this case I am trying 2x10K resistors) for the +5V rail.
I'm thinking this reference current voltage is w ... |
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| Topic: Synbal |
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| blakeAlbion Replies: 52 Views: 91185 |
Posted: Mon Jun 22, 2020 5:28 pm Subject:
Synbal
Forum: DIY Hardware and Software |
| Thanks! That is encouragement enough. | |
| Topic: Synbal |
|
| blakeAlbion Replies: 52 Views: 91185 |
Posted: Mon Jun 22, 2020 11:28 am Subject:
PCB Images
Subject description: how can I make a PCB from this image? Forum: DIY Hardware and Software |
| I have never designed a circuit and made my own PCB. It seems like this is what grown-ups do.
I have not tried etching a PCB since I was a kid, but curious about this. My first question is, how d ... |
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| Topic: CEM chips Clones, Can somebody confirm if this is true? |
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| blakeAlbion Replies: 6 Views: 10696 |
Posted: Tue Jun 16, 2020 12:31 pm Subject:
Mea culpa.
Forum: Instruments and Equipment » General Discussion |
| Garbage in, garbage out. I did all the things I should have done with my as3330 chip, and now it's responding nicely. I had a 100K resistor going in directly from the op amp buffering the output of th ... | |
| Topic: CEM chips Clones, Can somebody confirm if this is true? |
|
| blakeAlbion Replies: 6 Views: 10696 |
Posted: Tue Jun 16, 2020 6:24 am Subject:
 Tried the 3320 and the 3330
Subject description: DIY struggles Forum: Instruments and Equipment » General Discussion |
| I purchased some VCA and VCF alfa chips. I had built an effects processor 15 years ago using the CEM 3320, 3330, and 3340 chips, and I remember they were all shockingly easy to set up.
The as3320 V ... |
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| Page 1 of 1 [25 Posts] |
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