Synth-In-A-Box

Hey guys,
I wanted a break from designing, so I spent a night creating a enclosure for my first version of the Audiuno Synth. Its really cool when you can use the synth in a enclosure, it gives it a more finished feel. I was playing around with it and I made A LOT of sounds that weren't originally meant to be made, I could even get a sorta distortion affect. I think most of this was from my analog input somehow floating and generating random numbers. The enclosure is just a old cardboard box I found laying around. I attached the pots, then spray-painted it. The audio jack is on the side of the box, along with the power cable. If anyone wants me to make a video demo just post a comment.

Synth PCB

Hi,

I have converted the PCB files into eagle so I can have them professionally fabricated. I also created a 3D rendering so you can see what the shield is going to look like without any headers.

Arduino Synth 3.4

Hello,

I updated the PCB design so that it would fit the parts I got, I also included a MIDI OUT jack so I can use the board as a midi controller. I plan on fabricating this sometime this week. I printed out a copy and placed most of the parts to make sure they all fit. The only parts that are missing are the female headers and the SPDT switches. The parts fit pretty well accept for the one sliding pot that is covering the analog headers and the power headers. I'm just going to coat the headers with something non-conductive before I solder on the pots.

Arduino Synth 3.2

Hello, I just finished designing the upgraded PCB for the Arduino Synth. Its new features are:

• MIDI IN
• Audio Output
• 6 Sliding Pots
• 2 SPDT Switches
• 2 Status LED's
  

Now that the pitch doesnt need to have its own pot, I can have seperate volume envalopes for each oscillator making it much more interesting. Also with the two switches, I can implement a choice between Square and Triangle waves. Also the board is much more compact now that all the pots are attatched to the board. I havnt actually fabricated a PCB yet, but I plan to within the next week.

Future hardware Features:

• MIDI IN
• A DAC
• A LCD Interface

Here's a Parts List:

G – Ground
5V – Voltage In
L1 – Serial Status LED, Yellow
L2 – Power Status LED, Red
R1, R2 – 220Ohm Resisters
R3 – 50Ohm Resister
SW1, SW2 – SPDT Switch
AUDIO – Audio Output Jack
MIDI – Midi jack w/ Breakout Board
J1, J2, J3, J4 – Assorted Jumper Wires
IC – 6N137 Optocoupler 10MBit
Squares – Male or Female Headers

This board is getting to the point where I can't fabricate it myself anymore, so I'm thinking of making this into a kit with a double-sided silkscreened PCB. Please Give me some input.

Thanks

Arduino Synth V2.1

I first saw this synth at http://code.google.com/p/tinkerit/wiki/Auduino. It sounded really cool so I decided to make my own "shield". It had 5 pots that ran off of it. This was my first time fabricating a PCB so I had to redo it a couple of times. But my finished product workes pretty well. I plan to add a MIDI interface and a better audio plug (non-existant right now) I would also like to make it into a version of this shield just with more features. I am working on a schematic and will post it soon.