ARPIE Midi Arpeggiator - black edition with case

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You can find demos of the ARPIE in previous posts here.

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ARPIE V5 DIY MIDI Arpeggiator vs TT303

Published on Jun 25, 2017 Jason Hotchkiss

"A quick noodle with some of the new features in firmware version 5 for my ARPIE MIDI arpeggiator.

Now you can enter a chord manually on the front panel by toggling notes on and off, there is improved access to the per step Accent/Glide features and new per-step Legato, Octave jump up/down, Fourth down and polyphonic note play-thru.

IMHO best of all is a transpose sequencer, which allows you to enter a series of transpositions which plays back at bar length. Works great with existing force to scale mode.. perfect for serendipitous discovery of new chord progressions!

Now it's even more fun to use ARPIE standalone, without a MIDI keyboard. Randomizing the accent/tie sounds great on a 303 sound. The sound here is from Cyclone TT303 and an MFB Tanzbar, which also clocks the ARPIE"

ARPIE Midi Arpeggiator

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Uploaded on Nov 19, 2016 Nick Capone

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ARPIE Midi Arpeggiator + Sequential Circuits Pro One

Published on Jan 11, 2016 midierror

"A short video recording the synth direct, no effects.

Via an Arturia Minibrute for MIDI to CV"

ARPIE - MIDI Arpeggiator [Main Features]

Published on Sep 25, 2015 midierror

"The ARPIE is a harware arpeggiator designed by Jason Hotchkiss. It has an insane amount of features as covered in the ARPIE online manual http://six4pix.com/arpie/manual.html

Currently available in kit form, it is soon to be available as a finished product. Watch this space!

These are some of the main ones."

synchtab for ARPIE

Published on Jul 6, 2015 Jason Hotchkiss

"A little plugin gizmo for the ARPIE DIY MIDI arpeggiator that allows it to work with Korg Volca style pulse clock sync
Available from Tindie
https://www.tindie.com/products/hotch..."

Arpie MIDI Arpeggiator vs Roland TR626

Published on Apr 30, 2015 midierror

"Arpie is a build-it-yourself MIDI arpeggiator with loads of features.

http://six4pix.com/

Great fun to build, and a new lease of life for old MIDI synths!"

ARPIE - MIDI Arpeggiator in clear acrylic case

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You can video of one posted here. Some details via http://six4pix.com/arpie/:

"ARPIE is a MIDI Arpeggiator. Typically you connect it between a MIDI keyboard controller and a synthesizer and it converts the chords you play on the keyboard into rapid runs of notes (arpeggios) which are played on the synth. However as you’ll see there is a lot more to it than that: ARPIE - and arpeggiators in general - are great composing and performance tools. ARPIE is an open-source project, based on the popular Arduino platform and is designed to be customisable, hackable and extendable."

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ARPIE 4 - Open Source MIDI Arpeggiator

Published on Feb 14, 2015 Jason Hotchkiss

"Demonstrating some of the new features of my ARPIE midi arpeggiator. If you already have one you can download the firmware update from https://github.com/hotchk155/arpie/bl...
Version 4 kits coming soon to Tindie"

ARPIE - MIDI Arpeggiator kit

Published on Mar 25, 2013 Jason Hotchkiss·118 videos

"I revised my earlier minimal MIDI arp design to be able to offer it as a DIY electronics kit.
Currently running as a fundraised on Tindie.. Check the product page on Tindie for a full description https://tindie.com/shops/hotchk155/ar..."

"ARPIE is minimal, compact, hackable MIDI arpeggiator
You may be quite familiar with what a MIDI arpeggiator is, otherwise: An arpeggiator it is a device which takes chords (From a MIDI keyboard, for example) and converts them into rapid sequences of notes, which can then be played through MIDI-compatible synthesizer hardware or software. Arpeggiation is a very common technique in electronica and chiptune music and is an excellent creative technique.

A dedicated hardware arpeggiator is usually something that might set you back a few hundred dollars. With and ARPIE you can build your own fully-featured arpeggiator for a fraction of this cost, and it is designed to be hacker-friendly to boot, utilising Arduino compatible open-source firmware and openly documented hardware design.

In your ARPIE kit you will receive two, high-quality printed circuit boards and all the components and hardware required to assemble the device, including two ready-programmed microcontrollers (Atmega328 and PIC12F1822). PP3 required for battery operation  Soldering is required to complete this kit. Surface-mounts will be pre-soldered so you will only need to fit the through-hole components.

Here is the low-down on what your ARPIE can do:
Arpeggio modes: Up, Down, Pendulum, Random Order, Manual Order
Octave span: 1 – 4 octaves
Note repeat modes: None, Lowest note, Highest note, 3 forward-1 back, 4 forward-2 back
Step length: 1 beat thru 1/128th beat including dotted and triplet time steps
Octave transpose: –2 thru +2 octaves
Chromatic transpose: –3 thru +12 semitones
Chord hold mode: on/off
16 point pattern editor allows you to apply a rhythmic pattern of mutes/rests over the arpeggio. Interactive control over repeating sequence of mutes which does not have to match the arpeggio length, allowing you to create weird and wonderful rhythmic and melodic effects.
MIDI send channel: 1-16
MIDI note velocity: 0-127 in 16 increments
MIDI note gate length: 15 increments up and tied-note mode
MIDI Synch mode: None/Master/Slave (can receive MIDI clock from IN or SYNCH sockets) Internal tempo generator for Master/standalone use
MIDI panic (all notes off) feature
MIDI thru on controllers (e.g. Mod wheel, pitch bend)
Performance possible without attached MIDI controller by selecting CMaj/CMin/C7/Cmaj7/Cmin7/Random chord insert and using transpose features to change to noother root note
Minimal, but easy-to-use control surface is based on 16 data LEDS, 16 data buttons, 13 command buttons Three standard 5-pin DIN sockets for MIDI IN, MIDI OUT, SYNC IN
Receive, Transmit, Beat Clock and Chord Hold LEDs on control surface, plus firmware diagnostic/power LEDs on main board.
Integral 9V PP3 battery holder and 9V DC socket (centre positive 2.1mm barrel)
Small size (98mm x 87mm x 35mm approx dimensions) and light weight (approx 125g without battery)

The basic ARPIE device is a minimal bare-bones design, however it is designed to be easy to customise (e.g. to install the electronics inside a case or to build an alternative control surface)

ARPIE is the latest in a line of similar arpeggiators I have created, originally inspired by the RPG-8 module in Propellerheads Reason - which was of course itself inspired by several classic hardware argeggiators... so in effect it is hardware emulating software emulating hardware!

Once the fundraiser ends I will need to get the printed circuit boards manufactured. I will endeavour to dispatch all orders received during the fundraiser within 4 weeks of the target being met.

PLEASE NOTE: In case it was not clear from the above - ARPIE is a MIDI Arpeggiator and requires separate synthesizer software or hardware to be connected to it to make sound. It does not make any sound by itself!"