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16 x Ram Card for Prophet VS Keyboard an Rack

16 x Ram Card for Prophet VS Keyboard an Rack

2019-03-25 by maxinzinger@...

Hello to all Prophet VS users.


Here some Pictures of my new created 16 x Ram Card.

Hopefully they are visible otherwise i will try to upload them into the Files section.


It has a double 7-segment display, Up and Down buttons, a memory protect

slider.

Slider position at green dot = Protected

Slider position at red dot = Writes possible.


Pressing both Buttons simultaneously saves the actual selected Bank

as preselected Bank for Startup VS or when you slide in the Card.



Mikke

Attachments

Re: 16 x Ram Card for Prophet VS Keyboard an Rack

2019-03-27 by maxinzinger@...

Hello Stick,


Thanks for your comment.

Do you think it makes sense to do a little production series ?


For the 3D printed enclosure i grow more and more familiar with my printer.



Best

Mikke

Re: 16 x Ram Card for Prophet VS Keyboard an Rack

2019-03-28 by maxinzinger@...

Hello fish2fish21227,

Hello all other interested parties,


i am from Germany.

the most problems are the shipping costs (incl. tracking and insurance) to not EU countrys

and the needed customs declaration....


Similar to the used market Price of the original VS Card mostly around 250€


Mine hast 16 times the memory volume a Bank Display and the preselected bank function.


I want to sell them from private for 229€ +shipping costs per piece.

That means nearly 260 $(USD) or 196 £ (GBP) + shipment


Mikke

Re: 16 x Ram Card for Prophet VS Keyboard an Rack

2019-03-29 by maxinzinger@...

Hello fish,

Hello all,


yes it has a 2032 coin cell because other nonvolatile Ram IC 's like MRAM or FRAM need

a voltage translation for all adress- and datalines from 3,xV to the Prophet VS 5V (and vice versa)

and so on.

This makes the circuit difficult and a lot different converter IC 's are needed.

I have done this in a breadboard construction but i decided to go the easier way.

The Ram 's from today have such a low current usage in standby.

That should result in a durability of the coin cell for manny manny years.


i will preload the first Bank1 of the 16 Banks with sounds and the other 15 Banks will be

pre-formatted for the user to load his favorite 15 Soundbanks on it.


If someone ist interested send me a mail to maxinzinger(at)yahoo(dot)de


I have now 5 pcs. left for sale from my first small pcb purchase order.


If there are more people interested i have to order new "Hardware" and parts first.

Find time to assemble all and 3D-print the enclosures comes on top.

More than 10h per enclosure !


Best

Mikke

Re: 16 x Ram Card for Prophet VS Keyboard an Rack

2019-04-16 by raltoja@...

I just today recceived my 16 bank VS cartridge and have loaded some banks of sounds into it. It works great. The cartridge arrived in a box professionally packed in a cut to size pocket surrounded by black foam. In other words "bullet proof." Even so he will ship the cartridge with full insurance and tracking.. The cartridge cost $260 plus $20 shipping and an extra $12 for the Paypal fee if you pay by Paypal.

Fish

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