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Topics - paulsoulsby

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miniAtmegatron hardware announcement / miniAtmegatron Case Help
« on: July 27, 2016, 11:54:02 AM »
Having issues with assembling your miniAtmegatron case?  There's now 2 help resources:
1) This excellent tutorial thanks to Jesse at Bent-Tronics
2) Some tips on getting the case to fit

Software technical support / Atmegadrum MIDI note nums
« on: November 19, 2015, 07:42:51 AM »
Here they are  :)

#define MIDI_BASSDRUM1 36
#define MIDI_STICK 37
#define MIDI_ACSNARE 38
#define MIDI_HANDCLAP 39
#define MIDI_CLHIHAT 42
#define MIDI_PEDHIHAT 44
#define MIDI_LOWTOM 45
#define MIDI_HIMIDTOM 48
#define MIDI_CRASH 49
#define MIDI_COWBELL 56

Software announcement / Now on Github!
« on: October 11, 2015, 09:43:26 AM »
The latest code can all now be found on Github:

You can get the latest master software and also see what's in development.
The solutions work with Atmel Studio 6.2 and Visual Micro.  Atmel have recently removed 6.2 and released 7.  However there isn't a version of Visual Micro that works with 7 yet.  If you require a copy of the 6.2 installer, please leave a message below.

Atmegatron / Changing MIDI channel
« on: September 21, 2015, 08:39:32 PM »
Here's a tutorial on how to change MIDI channel on the Atmegatron.  Please note that this is currently only available on the standard Atmegatron software (V2.1).  This will change in the near future the though.

Software technical support / MIDI Thru
« on: September 08, 2015, 04:35:54 PM »
I've had several requests for a MIDI thru implementation out of the MIDI Output port.

This isn't implemented at the moment, but is possible and I will make this one of the first jobs I do for the next software version.

I'll update the status of this on this thread.  Feel free to ask any questions too.

Atmegatron Librarian announcement / Alternative to Librarian Software
« on: August 29, 2015, 01:22:56 PM »
The Librarian software uses SysEx to communicate.  This requires both the MIDI In and MIDI Out to be connected, so the Atmegatron can "handshake" with the Librarian.

Although technically possible, it would be very difficult to transfer either User Waves or Memory Banks to anything other than the Librarian.  However transferring single patches is easy.

To transfer a patch from the Atmegatron to your DAW:  set the MIDI track in the DAW recording, or if it has a special SysEx editor, set it to receive.  Then select Amplitude Attack on the Atmegatron and press and hold the function knob for at least 2 seconds.  Your DAW should receive the Sysex Data.

To transfer a patch from your DAW to the Atmegatron: Select Amplitude Decay on the Atmegatron and press the function knob, so it goes green.  Then either play the MIDI track in your DAW or press transmit if it has a special SysEx Editor.  Your Atmegatron will receive and load the patch.

Software announcement / Downloads page overhauled
« on: August 27, 2015, 02:57:46 PM »
The downloads page has now been overhauled and features V2 of the software.
Atmegatron users with software versions 1.0-1.4 (i.e. serial numbers < 1000), should install the EEPROM converter before installing the new software.
Atmegatron users with serial numbers > 1000 only need to install this software if they would like to return their Atmegatron to standard software after experimenting with other software versions.

Atmegatron hardware announcement / Atmegatron back on sale
« on: August 27, 2015, 02:55:04 PM »
The Atmegatron is back on sale in the shop. There are some key differences to the new batch (i.e. serial numbers 1000 onwards):
  • Preloaded with V2 software
  • Slightly different enclosure colour and side panels
  • Knobs have indent instead of marker line
  • Programmer switch brought slightly forward
  • Shade of green of bank switch now matches the rotary encoders (very important)
  • Updated manual

Software announcement / Atmegadrum software released
« on: May 28, 2014, 12:09:59 AM »
Turn your Atmegatron into a drum machine!  8)

Here's the software link:

Here's the tutorial video on how to upload software:

Here's the tutorial video about the Atmegadrum software:

and finally here's an audio demo of the Atmegadrum in action:


Software announcement / FTDI cable links
« on: April 10, 2014, 12:14:47 PM »
The TTL-232R-5V will work with the Atmegatron.

***Please note, I now recommend buying the cable from the Soulsby Synths store:***

Here's some links to where you can buy them:
Sparkfun (USA)
Cool Components (UK)


Software announcement / Atcyclotron software released
« on: April 08, 2014, 10:00:57 AM »
The first major alternative software release for the Atmegatron is now available from the Downloads page (    ;D

It is called the Atcyclotron and is a wavetable cycling synthesizer.  The key difference is that it now uses 4 waveforms to generate the audio, rather than 1.  A number of samples from each waveform are played in turn.  This allows much more complex timbres to be created.

Find out how to upload the software and how to use it here:

Check out this demo that is created entirely from Atcyclotron sounds (except vocal!):

and a dry instrumental version, so you can hear exactly what is going on:

Software announcement / Beta of version 1-2 now on downloads page
« on: March 12, 2014, 11:38:29 PM »
Version 1-2 now adds the ability to change MIDI receive channel.

To change MIDI channel:
1)  Boot up the Atmegatron with the Function Knob held down.  The Value Knob should glow yellow.  (woo!)
2)  Turn the Function Knob to Save (disk symbol)
3)  Turn the Value Knob to the desired channel.  Remember to subtract 1 from the desired channel number (so set dial to 0 if you want channel 1).
4)  Press Function Knob until it flashes
5)  MIDI receive channel is now set and will be stored in flash memory, so you don't need to set it every time you turn the Atmegatron on.

You can't save patches when the Atmegatron is booted into this mode
If you are new to uploading software to the Atmegatron, watch this tutorial first:

Use the help menu in the software for the basics on how to use it. 

If you run into any issues, just post in the Librarian board and I'll try and help.

The Librarian uses SysEx to communicate.  This means most music software can actually send and receive patches too.  This can be useful if you want the Atmegatron to change sound in a live situation.

Software announcement / Downloads page now live
« on: March 04, 2014, 02:31:02 PM »
Currently available:
  • Source code
  • Librarian (for Mac and PC)
  • Atmegatron overlay for PCB
  • Manual

To come:
  • More software versions including Atcyclotron, Atmegadrum and Atpolytron
  • Overlays for each software version

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