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1. SNAZZY FX ARDCORE MANUAL REV ONE 2012 ARDCORE CONTROL LAYOUT SNAZZY FX ARDCORE INPUTS AND OUTPUTS 1 AO 0 5 VOLTS used in most sketches as a pitch or level control 2 A1 0 5 VOLTS used in most sketches as a pitch or level control 3 A2 0 5 VOLTS with no input plugged in OR ATTENUATOR FOR 5 WHEN CABLE PLUGGED IN 4 A3 0 5 VOLTS with no cable plugged in OR ATTENUATOR for 7 WHEN CABLE PLUGGED IN 5 A2 JACK CV IN 1 turn knob A2 all the way up for full level used as an audio input in some sketches 6 CLOCK plug in a clock source here for sketches that need a clock If you want to write a program that uses an external interrupt you would use this input 7 A3 JACK CV IN 2 turn knob A3 all the way up for full level used as an audio input in some sketches 8 DO Gate Trigger Out green LED lights on gate 9 D1 Gate Trigger Out red LED lights on gate 10 8 bit DAC output JACK jack one 11 8 bit DAC output JACK jack two 12 USB JACK can be used for two way serial communication between ARDUINO software and the ARDCORE use this to load sketches from the Arduino Software If this is working the data leds will light up briefly when a program transfers FERRER A rdCore kk kkk An Arduino based Compute Device for Modular Synthesizers ALL LINKS ARE ON LINKS PAGE 1 DOWNLOAD ARDUINO SOFTWARE 2 DOWNLOAD USB DRIVER 3 SETUP ARDUINO SOFTWARE 4 DOWNLOAD ARDCORE CODE FROM GITHUB 52. proper precautions to protect your speakers as the Dreamboat is capable of large jumps in volume and or sounds exhibiting extreme bass CONTACT Please contact help snazzyfx com for help with any questions technical issues product comments patches patch tips or to shower us with gifts of vintage synthesizer equipment All CONTENT 2012 SNAZZY FX ALL RIGHTS RESERVED
3. 0 D0 TRIGGER GATE OUT DIGITAL PIN 4 DIGITAL OUT 1 D1 TRIGGER GATE OUT DIGITAL PIN 5 LSB 8 BIT 1 D2A OUTPUT DIGITAL PIN 6 BIT 2 DIGITAL PIN 7 BIT 3 DIGITAL PIN 8 BIT 4 DIGITAL PIN 9 BIT 5 DIGITAL PIN 10 BIT 6 DIGITAL PIN 11 BIT 7 DIGITAL PIN 12 MSB BIT 8 D2A OUTPUT DIGITAL PIN 13 UNUSED IMPORTANT LINKS ARDUINO SETUP GUIDE http arduino cc en Guide MacOSX http arduino cc en Guide Windows ARDUINO SOFTWARE DOWNLOAD http arduino cc en Main Software DRIVER DOWNLOAD http www ftdichip com Drivers VCP htm ARDCORE CODE DOWNLOAD https github com darwingrosse ArdCore Code Limited WARRANTY Snazzy FX warrants this product to be free of defects in materials or construction for a period of one Year from the date of purchase Malfunction resulting from incorrect power supply voltages improper power cable connection improper use or abuse of the product or any other causes determined by Snazzy FX to be the fault of the user are not covered by this warranty and service rates will be determined at such time During the warranty period any defective products will be repaired or replaced by Snazzy FX if the product is shipped to Snazzy FX at the customer s expense If any issue with your Snazzy FX product does arise please contact Snazzy FX or your Snazzy FX dealer SNAZZY FX accepts no responsibility for harm to person or apparatus caused through operation of this product Please take
4. DCORE PIN DESIGNATIONS VERY VERY IMPORTANT THIS WILL HELP YOU UNDERSTAND THE INPUT AND OUTPUT DESIGNATIONS FOR PROGRAMMING Overview The creation of this device is a method to provide simplified and generalized programming functionality to the world of analog synthesis To date most compute modules have been purpose specific MIDI to CV conversion sequencing while this is useful it does not provide an adequate opportunity for the artist that include programming coding in their practice This specification is to provide the analog modular community with a standardized use of the Arduino microcontroller system and will include a large number of example sketches programs that accomplish tasks within the modular world Any Arduino user can utilize these specifications to create modules control systems or computer interfaces and will be able to use any programs that others may come up with Arduino Usage The most important definition for the use of an Arduino in this environment is to define the pin usage The ArdCore model will use the pins in the following way ANALOG IN 0 A0 KNOB A0 0 5 VOLTS ANALOG IN 1 A1 KNOB A1 0 5 VOLTS ANALOG IN 2 A2 KNOB A2 0 5 VOLTS OR SWITCHED CV INPUT A2 WITH ATTENUATOR ANALOG IN 3 A3 KNOB A3 0 5 VOLTS OR SWITCHED CV INPUT A3 W ATTENUATOR DIGITAL PIN 0 UNUSED TX DIGITAL PIN 1 UNUSED RX DIGITAL PIN 2 CLOCK INPUT DIGITAL IN INTERRUPT DRIVEN DIGITAL PIN 3 DIGITAL OUT
5. ORE YOU PLUG THE ARDCORE INTO YOUR SYSTEM We ve taken appropriate steps to ensure that you can t burn out the ArdCore system very easily But it can still happen because the Arduino UNO is a microprocessor system and all micro systems can be damaged Here are a few hints about proper handling Don t plug in the ArdCore power connector into a rack power supply that is turned on It s never a good idea but particularly not for a microprocessor device The surface of the Ardcore module is packed full of circuitry Don t let the face of the board touch metal or another conductive material when the ArdCore is receiving power Watch for static electricity when you are handling the module The AVR chip is very sensitive Make sure to install the USB DRIVER FTD vep driver for your OS osx or win it is available at http www ftdichip com Drivers VCP htm Arduino Programming Interface There s only one thing you can use to get software loaded on the Arduino IDE Get it at http arduino cc en Main Software There s a really good walk through here http arduino cc en Guide HomePage Ardcore is powered by an Arduino UNO You ll also need to get the FTDI driver installed on your computer http www ftdichip com Drivers VCP htm Make sure you scroll down a little the D2XX drivers at the top are not what you want to use If you scroll down you will see download instructions for each OS that is available AR
6. PLACE CODE FOLDERS INTO MASTER ARDCORE FOLDER YOU CAN MAKE THIS YOUR SKETCHBOOK IN ARDUINO SOFTWARE lt under preferences gt IF YOU WISH 6 0PEN ARDUINO SOFTWARE 7 UNDER TOOLS MENU SELECT ARDUINO UNO AS BOARD 8 0PEN UP A SKETCH 9 CONNECT USB CABLE TO ARDCORE 10 HIT UPLOAD BUTTON IF YOU HAVE ANY ARDUINO SOFTWARE QUESTIONS PLEASE REFER TO ARDUINO SETUP GUIDE LINK BELOW FOR PROGRAMMERS OR WOULD BE PROGRAMMERS GET INVOLVED CHECK OUT THE ARDCORE THREADS ON MUFFWIGGLER CHECK OUT THE ARDUINO FORUMS WRITTEN A COOL PROGRAM EMAIL IT TO help snazzyfx com and WE CAN ADD IT TO THE GITHUB SITE IT S SUPER EASY TO START MESSING WITH THE INCLUDED ARDCORE PROGRAMS MAYBE START BY CHANGING SOME NUMERIC VALUES CUT AND PASTE GET SOME BOOKS ON ARDUINO PROGRAMMING AND SOON ENOUGH IT MAKES SENSE START BY READING THE 20 OBJECTS SKETCHES BACKWARDS AND FORWARDS PRINT EM OUT FOLLOW ALONG YOU WILL LEARN SNAZZY FX ARDCORE WHAT IS IT The ARDCORE whatever you need your modular to be TODAY Have you ever been in the middle of a patch and thought I sure wish I hada in my modular Or how about I sure wish I had another Well start filling in the blanks with the Snazzy FX ARDCORE Built around an Arduino compatible chipset with all the controls you need for a Eurorack Module the ARDCORE can fill almost any role you need it to With its built in USB port CV ins Gate outs DAC outs a
7. ccomplish in the digital domain than in the analog domain SNAZZY FX ARDCORE Design Decisions 1 focus on CV generation and manipulation and low fidelity explorations of audio output If you don t mind dirty the Ardcore can do plenty of audio 2 produce output with 8 bit resolution and do so by the direct manipulation of digital output pins one pin per bit This makes programming quite a bit easier as everything is immediate 3 limit both input and output ranges to a 0 5 Volt range This is the most useful range for control voltages to affect oscillators and filters and is therefore our main targeted connection 4 fit the module into the Eurorack format These decisions were made for a number of reasons Part of it is to simplify the programming of Arduino sketches that would make for useful output Finally we want this module to be usable in a lot of different environments performance studio installation so having a minimal space footprint was very important Some may question the use of 8 bit output but it is a compromise that we ended up appreciating once we saw that a it made programming very easy and b the resolution was sufficient especially if paired with a slew limiter for every sort of output we needed Test results have been very positive and the result is used in our systems every day kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Setup Instructions for the SNAZZY FX Ardcore PLEASE READ THIS BEF
8. nd CLOCK in you have everything you need to begin experimenting with programming or simply browsing the library of over 55 included programs each of which turns the ARDCORE into a completely different module For programmers AND non programmers alike All the code is freely available With an open source software foundation you can be guaranteed that other people in the community will be contributing their own programs as well And since it can be programmed from within the FREE Arduino IDE program OSX LINUX OR PC its compatible with whatever computer you have And for people who have never programmed but think they might like to try ARDCORE gives you a whole lot of material to mess around with You can change a value or delete some lines save it as a new program and Upload it to the ARDCORE in no time at all Who knows maybe you ll even teach yourself how to write an amazing new module Many of the sketches include clear commenting as well as reusable functions so in many cases all you have to do to write a new sketch is copy a few functions add a few values and debug a little bit Each program uses the same familiar hardware So no matter what you are working on you always have the same knobs and jacks being used in the code This makes it easy to USE the programs too And if you decide you need the pitch control to be on the top left knob instead of the bottom right all you have to do is open up the program and change tw
9. o values SIMPLE PROGRAMS The current list of programs is pretty amazing It is a bit hard to believe sometimes that the little AVR chip can do so much While designed with CV in mind the ARDCORE does have some audio abilities Included in the library is a delay FX program a bit crusher a few waveshapers a distortion or two and a ring modulator There is also a white noise generator a Square Wave VCO an FM oscillator a bunch of glitchy noisy programs and a really amazing Drum Sample player complete with a program for uploading the samples On the CV side of things the list is enormous with quantizers pattern generators sequencers CV recorders scale generators drunken walks clock dividers a really nice arpeggiator a triple output LFO a waveshaped LFO random gates glissando a shift register and more And since the Ardcore is open source more programs will be coming Or you can write your own Check out the videos on our youtube page Or head on over to http arduino cc en Guide HomePage The purpose of the ARDCORE is three fold To allow programming savvy artists to pursue synthesis options that aren t currently available either because they are too difficult or too idiosyncratic To allow for temporary use function that are not often needed and hence not worth the expense or space but may be important for a specific composition To provide a simple platform for functions that are much easier to a
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