My MegaDrum32 PCB Pictures

[Synthex]

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 !

[dmitri]

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!:)

[Aaron]

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)

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 !

[Synthex]

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 !!

[Goldie]

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 . And maybe some details later.

[Synthex]

Here is the bottom side !

It is not really sexy,
but it would make it a true PCB ... anybody ?

[dmitri]

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

[Synthex]

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

I just love the project

[Goldie]

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.

[Goldie]

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

synthex3.gif