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The Jellyfish V2 Modular [AVAILABLE]
MUFF WIGGLER Forum Index -> Music Tech DIY Goto page 1, 2, 3, 4, 5, 6, 7, 8  Next [all]
Author The Jellyfish V2 Modular [AVAILABLE]

plankton

EDITED 01/07/14

New video added:

https://www.youtube.com/watch?v=2xMUw35ocDc

EDITED 24/06/14

Mods document updated with the Tap Tempo mod! Guinness ftw!

EDITED 19/06/14

Added a new document. DIY mods!: http://www.planktonelectronics.com/docs/thejellyfishv2modular/The%20Je llyfish%20V2%20Modular%20Mods.pdf.zip

The website is updated with all the info:

www.planktonelectronics.com

EDITED 13/06/14

The store is open and working properly now:

store.planktonelectronics.com/thejellyfish-s/1817.htm

You can order there thumbs up

Info will be updated on the blog on monday, but you have all the necessary on the links below.

I forget the code for the SYNC function: https://github.com/albertfc/avr_jelly_sync

Is made by Albert Farrés, not me, so don't ask too much about it!


EDITED 10/06/14

BOM updated: 5x 1M resistors --> 6x 1M resistors

I'm making a new online store. This week will be available. Meanwhile, PM me if you want a Jelly.


EDITED 06/06/14

All the docs here:

BOM updated! http://www.planktonelectronics.com/docs/thejellyfishv2modular/The%20Je llyfish%20V2%20Modular%20BOM.pdf.zip

Schematics
http://www.planktonelectronics.com/docs/thejellyfishv2modular/The%20Je llyfish%20V2%20Modular%20Schematics.zip

Calibration Tutorial
http://www.planktonelectronics.com/docs/thejellyfishv2modular/The%20Je llyfish%20V2%20Modular%20Calibration%20Tutorial.pdf.zip

Assembly Tutorial
http://www.planktonelectronics.com/docs/thejellyfishv2modular/The%20Je llyfish%20V2%20Modular%20Assembly%20Tutorial.pdf.zip


Not posted in the website! I have no net connection here yet, so I'm working with a slow phone connection. Hope on monday I could update the shop at least!!!

**********************************************************

Hi!

The Jellyfish V2 Modular is finally here. nanners


Video:

http://youtu.be/RGSmf2N-3IE

Audio demos:

- Some more demos of the modular version: https://soundcloud.com/plankton-electronics/sets/the-jellyfish-v2-modu lar
- Demos from the V1 (dual channel desktop version) which is essentially the same. For xdelay and stereo effects 2 modular channels are needed: https://soundcloud.com/plankton-electronics/sets/the-jellyfish


The Jellyfish V2 Specs:

- One single channel eurorack module.
- Based on a PT2399.
- Gain potentiometer with clipping led.
- Wet and Dry controls for the mix
- Time and Fine controls for the Delay time. Delay times from 27 to 600 mseg. with the knob. Far away (to overclock the chip) with CV input. It can be extended to double of the original time changing the time pot to 100K. A lot of noise is added to the delayed signal then. Demos soon
- Feedback knob, from 1 to infinite reps.
- Send and Return connections for the feedback path. You can connect any effect or whatever you want here. It will affect the delay repetitions. Each repetition will pass through the chain. You can also connect more Jellyfish modules to create the "Xdelay" function of the V1. Or you can connect 2 clipping diodes for clip the reps.
- LFO with square and triangle waves directly to delay time.
- LFO output independent of the "Depth" knob.
- CV inputs for time, feedback and wet.
- Sync input! Input a clock signal here (0-5V square wave) and the delay time will be synced to it within the specs of the delay (slower or faster signals will be clocked to max o min).
- No wiring! This is a set of 2 PCB with "PCB type" components. Very easy building.
- Doepfer or screw type power connectors.



Check Prices at the store. They have changed for the kit and the shipments.


coopersloan

Looks like a fun project. Looking forward to seeing the demo video and most likely down for a PCB/Chip set.


nikmis

Can it be built for +/- 15 volts?
and if I build it with my own panel, not eurorack, do I need to get both pcbs, or will you sell one separately?

If so, I definitely want to build two, that would be 2 x pcb and 2 x pre-programmed chip.


horstronic

Very nice!
You can definetely count me in.
I'm just not shure yet if I will take the full kit or just PCB+Panel+Chip. Or even a double set? meh
Does the sync input work like a tap tempo?


alexdsteak

I'm in as well for the full kit.
Imagine my son (that likes Spongebob) when I tell him that I have a
Plankton module...

Or maybe better not, otherwise he will try to destroy him razz

grin

A.


plankton

Quote:
Can it be built for +/- 15 volts?
and if I build it with my own panel, not eurorack, do I need to get both pcbs, or will you sell one separately?

If so, I definitely want to build two, that would be 2 x pcb and 2 x pre-programmed chip.


It will work with 15/-15 with minor adjustments. If you want to build your own panel, not eurorack, is better to use the 2 PCBs. Just use wires where the Pots and Jacks are. The top PCB uses components for the LFO output.

You can use only the bottom PCB if you want to solder some extra resistors to the potentiometers and forget the LFO output. Not too difficult if you have experience.

Quote:
Very nice!
You can definetely count me in.
I'm just not shure yet if I will take the full kit or just PCB+Panel+Chip. Or even a double set? meh
Does the sync input work like a tap tempo?


The sync in is very similar to a tap tempo but not the same. The AVR chip reads the input signal and comunicates to a digital resistor. The chip is reading the frequency constantly. If the frequency is changing the delay time will do. The digital resistor keeps the last value inputed, so if you stop to input signal it will keep it. In this way I guess that it can act as a Tap Tempo. I will try.


Dego

I want the kit hyper


spneca

I would like one full kit plus the panel, please.


4floorsofwhores

Just finished building the old jellyfish. WOnderful bit of kit. I'll be up for a kit


aladan

I am interested in one or two of these. Could you please tell me whether it is designed to work with 'normal' modular signal levels (i.e. +/-12V or +/-15V) for the audio, or with line levels (i.e. +/-1.2V approx)?

I thought it was originally a standalone pedal unit that was intended for line level audio rather than modular voltages so I didn't get one - is that still the case? If so then I guess I'll just have to get one of the CGS level conversion PCBs...

Thanks!
A.


grizzle

I'll take a set of PCB's, a panel, and a programmed chip!


windspirit

600 msec is pretty short, is there a way to hack this to make it longer even if it degrades audio quality? This is based on the pt32somethingsomething delay chip right?


plankton

Quote:
PostPosted: Mon Mar 10, 2014 10:11 pm Post subject:
I am interested in one or two of these. Could you please tell me whether it is designed to work with 'normal' modular signal levels (i.e. +/-12V or +/-15V) for the audio, or with line levels (i.e. +/-1.2V approx)?

I thought it was originally a standalone pedal unit that was intended for line level audio rather than modular voltages so I didn't get one - is that still the case? If so then I guess I'll just have to get one of the CGS level conversion PCBs...

Thanks!
A.


Modular audio (oscillators, etc..) normally works from -5V to 5V. +/- 12 and +/-15 V are for the power supply. The Jellyfish is not based on a pedal, but it works with a PT2399 chip. As it is digital chip it works with 5V (like most of other digital modules), so signal have to be the half voltage of an oscillator. This is the way there is a Gain knob with a clipping led to avoid to use conversion modules or such. You will see it in the video. Soon!

Quote:
600 msec is pretty short, is there a way to hack this to make it longer even if it degrades audio quality? This is based on the pt32somethingsomething delay chip right?


Of course! There is a CV time input. You can push the time far away from 600 mseg. until the limits of the PT2399. The time specs are for the time knob. Even you can change the 50K pot for a 100k one, but then you don't have much detail. With high values the chip starts to work weirdly. I recommend to use this features with the CV in, but that's your choice!


Microscopial

I'll be in for faceplate/chip and pcb's please


plankton

Video added!

http://youtu.be/RGSmf2N-3IE


ppccdd

I will buy PCB´s and chip thank you.


sammy123

I would buy a panel/chip/pcb kit. Count me in on the pre order.

Is there a BOM available?


jberentsson

2x pcb set
2x chip

thanks


analogdata

one set of PCBs, panel and a chip.

what are those jacks?


aladan

Looks good, please put me down for:

1 x euro panel
2 x PCB sets
2 x chips
1 x shipping to Australia

Thanks!


rockwoofstone

PCBs, panel & chip please. thumbs up


widdly

I would like to build one of these but I use banana plugs. Which of the panel jacks are switching jacks? I assume the send and return are. How about the sync?

Would it be possible to buy the main PCB and do my own front panel, pots etc.?


bugfight

arrgggh the queue is ever so loong...

2 of each: pcb set, chip, panel, please.

can i still get an original pcb as well?


plankton

Thank you all for your interest!! This is fun!

Quote:
Is there a BOM available?


I will post next week at the latest.


Quote:
what are those jacks?


http://www.mouser.com/ds/2/222/STX-3790-184330.pdf

Quote:
I would like to build one of these but I use banana plugs. Which of the panel jacks are switching jacks? I assume the send and return are. How about the sync?

Would it be possible to buy the main PCB and do my own front panel, pots etc.?


All the jacks are the same type. You have the specs a few lines above. Send and return uses one of the switches. Sync function uses the 2 switches as it trigger an IC switch, so be careful if you chose another option, I don't now if bananas can handle this.

If you choose to build this without the top PCB you will have to solder some resistors to the pots. And you will loose the LFO output because there is an opamp there. Not a big compromise and not too difficult with the schematics.

Anyway, if you take the 2 PCB's it will be easer to wire everything. That's your choice. You can buy only one PCB if you want to.

Quote:
can i still get an original pcb as well?


Yes, just go to the website. Only 3 PCB left and I think that 1 or 2 cases.


nikmis

plankton wrote:

If you choose to build this without the top PCB you will have to solder some resistors to the pots. And you will loose the LFO output because there is an opamp there. Not a big compromise and not too difficult with the schematics.

Anyway, if you take the 2 PCB's it will be easer to wire everything. That's your choice. You can buy only one PCB if you want to.

So how much do you suppose for just the one PCB?

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