My MegaDrum32 PCB Pictures

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Re: My MegaDrum32 PCB Pictures

Postby Synthex » Tue Oct 30, 2007 2:25 pm

Aaron wrote:can u comment on its (MegaDrum's) performance yet?


First of all, I wasted time with the USB interface.
Further to one unknown problem on atmega8, I have of to modify the USB interface by one 18F2550.
viewtopic.php?f=3&t=31&start=10

I tested Megadrum with a DIY mesh head pad.
The module is really very sensitive and one very good answer,
even better than a TD-12 module from Roland which I was able to try !

Very good work Dmitri !!!

I use Toontrack DFH Superior with an external sound card M-AUDIO Fast Track Pro.
Incredible sound !!!

Make it and love it ! ;)
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Re: My MegaDrum32 PCB Pictures

Postby dmitri » Tue Oct 30, 2007 2:53 pm

Synthex wrote:
Aaron wrote:can u comment on its (MegaDrum's) performance yet?


First of all, I wasted time with the USB interface.
Further to one unknown problem on atmega8, I have of to modify the USB interface by one 18F2550.
viewtopic.php?f=3&t=31&start=10

I tested Megadrum with a DIY mesh head pad.
The module is really very sensitive and one very good answer,
even better than a TD-12 module from Roland which I was able to try !

Very good work Dmitri !!!

I use Toontrack DFH Superior with an external sound card M-AUDIO Fast Track Pro.
Incredible sound !!!

Make it and love it ! ;)


I must say - what a pleasure to hear these words!:)
dmitri
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Re: My MegaDrum32 PCB Pictures

Postby Aaron » Tue Oct 30, 2007 11:01 pm

good to hear, cause ive already designed and ordered the pcb. :-)

i was going to make Edrum (edrum.info) till i stumbled upon this site. i didnt like all the pots.

yes i saw the problems you had with the usb im going the FT232RL option;

should have the board assembled in about a week, will post pics.
(you will be impressed)

Synthex wrote:
Aaron wrote:can u comment on its (MegaDrum's) performance yet?


First of all, I wasted time with the USB interface.
Further to one unknown problem on atmega8, I have of to modify the USB interface by one 18F2550.
viewtopic.php?f=3&t=31&start=10

I tested Megadrum with a DIY mesh head pad.
The module is really very sensitive and one very good answer,
even better than a TD-12 module from Roland which I was able to try !

Very good work Dmitri !!!

I use Toontrack DFH Superior with an external sound card M-AUDIO Fast Track Pro.
Incredible sound !!!

Make it and love it ! ;)
Aaron
 
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Location: Melbourne, Australia

My MegaDrum32 with 32 inputs Pictures

Postby Synthex » Thu Nov 15, 2007 5:00 pm

Here is my new 32 inputs MegaDrum !!!

All in one board 100*160 mm !
True MIDI interface of course !
Atmega32 @ 20 MHz without problem !

Keyboard, LCD, MIDI IN and OUT, USB and 32 inputs work perfectly !!
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Re: My MegaDrum32 PCB Pictures

Postby Goldie » Thu Nov 15, 2007 5:37 pm

Well done, looks great! I like the idea of putting everything on one pcb. I think i'll use yours design, easy to understand x,y coordinates , but you have to post bottom side too :D . And maybe some details later.
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Re: My MegaDrum32 PCB Pictures

Postby Synthex » Thu Nov 15, 2007 6:13 pm

Here is the bottom side !

It is not really sexy,
but it would make it a true PCB ... anybody ? ;)
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Re: My MegaDrum32 PCB Pictures

Postby dmitri » Thu Nov 15, 2007 7:12 pm

Synthex, you're like an f1 car! How do you do it so quickly on development boards?:)
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Re: My MegaDrum32 PCB Pictures

Postby Synthex » Thu Nov 15, 2007 7:53 pm

dmitri wrote:Synthex, you're like an f1 car! How do you do it so quickly on development boards?:)


I just love the project ;)
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Re: My MegaDrum32 PCB Pictures

Postby Goldie » Sun Nov 18, 2007 5:28 pm

As far i can see you have 8 pins, 8 resistors, 16 diodes and 1 multiplexer. Is that all you need for 8 channel? If so would this layout work.

analogue1-8.gif


You just have to put 4 of those, one below another.

I'm willing to try to draw PCB, this one i made in illustrator because it exceeds pin number in dip trace. Can you put values on components ,connections would be nice too.

Thanks.
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Re: My MegaDrum32 PCB Pictures

Postby Goldie » Sun Nov 18, 2007 11:11 pm

Is this how you connected your mini analog board, dont mind pins on U1.

synthex3.gif
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