StrumPad MIDI controller

Published on Aug 12, 2018 miro2424

"Hold a chord on a MIDI keyboard with one hand and strum that chord on the StrumPad. This controller is based on an Atmel Atmega328P microcontroller programmed with Arduino code. The project is open source and the files are posted on; https://hackaday.io/project/9465-stru..."

First featured in 2016.

"So this device has MIDI in and MIDI out. It is based on Arduino ATMEGA328. It receives MIDI IN messages like note on and note off from a MIDI keyboard controller and loads the data to 6 touch sensors. When the player 'strums' the StrumPad, it senses which 'strings' have been struck and how much force was exerted on the Strumpad by measuring the piezo voltage that is underneath the Strumpad. It then sends MIDI OUT messages like note on and note off."

DIY Arduino Urbium Sequencer by miro2424 based on Intellijel's Metropolis

Published on Jun 7, 2018 miro2424

"Arduino 8 STEP sequencer based on Intellijel Metropolis"

Arduino Urbium Sequencer MIDI out test

Published on Jun 10, 2018 miro2424

"Arduino Urbium Sequencer MIDI out test"

https://www.matrixsynth.com/search?q=miro2424

Electro Harmonix EH400 Clone Mini Synthesizer

Published on Oct 1, 2017 miro2424

"Electro Harmonix EH400 Clone Mini Synthesizer. Touch sensitive 25 keys keyboard with piezo sensor under for force sensing. MIDI in with MIDI velocity value corresponds to voltage values applied to piezo sensor."

Stylophone Mini Synth EH400 Clone

Note: Auction links are affiliate links for which the site may be compensated.
Published on Jun 26, 2017 miro2424

Update: video of the controls added above. This clone is currently avaialable via this auction


Published on Jun 26, 2017 miro2424

Jean Michel Jarre Laserharp 2 on EH400 clone Mini Synth.

Published on Jun 13, 2017 miro2424

"Played on Electro Harmonix EH400 clone Mini Synthesizer. The clone is a mini copy without the internal amplifier and speaker. It has the same octave range as the original and it is played with a 1/8 phono jack as a stylophone."

"This STYLOPHONE is played with an 1/8" audio jack (included).

It is a clone of the famous Electro Harmonix EH400 Mini Synthesizer.
Comes with a USB cable that boost the power to 9V operation.
No internal speaker, just an 3.5mm audio out for headphones or plug it directly to your amplifier.

This is a monophonic single analog oscillator structure.
A voice is composed by a 1 VCO pulse + 1 suboscillator (1 octave lower) which is obtained from divider structure, while octave function switches the VCO to 2 octaves below.

The VCF (filter) is resonant (Q switch) and the 2x switch steps the filters 1 octave up.

The VCF phase function activates a phase shifting on the sound.

The ENVELOPE is a single EG control on the cutoff filter: the START and STOP sliders set the lower and higher frequencies range at key down and up.

More info and sound samples"

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Jean Michel Jarre Laserharp 2 on EH400 clone Mini Synth.

Published on Jun 13, 2017 miro2424

"Played on Electro Harmonix EH400 clone Mini Synthesizer. The clone is a mini copy without the internal amplifier and speaker. It has the same octave range as the original and it is played with a 1/8 phono jack as a stylophone."

Strumpad MIDI Controller

Published on Jan 23, 2016 miro2424

"Play a chord on a MIDI piano keyboard and strum those notes on a touch and velocity sensing Strumpad.
Strumpad is a MIDI Controller, it receives MIDI IN messages from other MIDI controllers like keyboards and transmits MIDI out messages based on 6 capacitive touch sensors and a force sensor for MIDI Velocity based on a strain gauge."

Electro Harmonix EH-400 mini synth CLONE

Published on Nov 30, 2014 miro2424

"This is a copy of the famous EH-400 mini synth by Electro Harmonix. The original has a piezo under the keyboard, mine has it besides cause my keyboard is not flexible enough."

TabStrummer - Easy Programming Chords

Published on Nov 29, 2012 by miro2424

"This is a programmable midi controller that can be connected to your music software or a midi sound module can be added and be completely stand alone.
More informations at; www.tabstrummer.com"

TabStrummer Custom Chords MIDI Controller

Published on Nov 17, 2012 by miro2424

"This is a programmable midi controller that can be connected to your music software or a midi sound module can be added and be completely stand alone.
More informations at; www.tabstrummer.com"

TabStrummer 2012 Video Presentation

Published on Nov 13, 2012 by miro2424

"This is a programmable midi controller that can be connected to your music software or a midi sound shield can be added and be completly stand alone.
More informations at; www.tabstrummer.com"

"Tabstrummer is a rogrammable MIDI controller. You can program any of its 12 memory buttons with any guitar CHORD/TAB that can be played on a 12 fret guitar, plus all the 12 memory buttons can be programmed into any of the 200 memory SONG locations of TabStrummers internal memory.

TabStrummer features

12 programmable memory buttons
Record and Play any guitar tabs/chords
Over 200 memory 'Song' locations
6 touch sensitive 'strings'
14 touch sensitive 'piano keys'
Choice of 5 octaves for the 'piano keys'
Pitch Bend and Modulation buttons
Sustain Control
Transpose up/down 12 semi-tones
Playable with MIDI hardware and software
Set Velocity (not velocity-sensitive)

Technical specifications

MIDI jack output (DIN-5)
9 - 12 Volt DC jack input (2.1mm)
6 ‘AA’ battery compartment
Body made of clear 4mm acrylic
Weight (without batteries): 780 grams (1.7 lb)
Weight (with batteries): 920 grams (2 lbs)
46.5cm x 12.25cm x 3cm (18.25” x 5” x 1.25”)"

Mini CFO synth as DIY Arduino shield

YouTube Uploaded by miro2424 on Dec 27, 2011

"Mini CFO synth. Find all files and info on original webpage;
http://8bitklubben.dk/project/CFO/downloads/"

Via miros2424 in the comments of this post.

TabStrummer DEMO & Arduino Bass Synth

YouTube Uploaded by miro2424 on Dec 14, 2011

"Jazz Chord Tabs;
TAB1 - 575555
TAB2 - X57565
TAB3 - X79787
TAB4 - X7678X
Tabstrummer.com"

Last Christmas - Wham - Guitar Chord Tabs - TabStrummer


More vids: http://www.youtube.com/user/miro2424

Not sure what it's controlling, but it's labelled as a MIDI Guitar controller.

The channel also has an:

Arduino Synth Deep Bass Sound

Uploaded by miro2424 on Oct 9, 2011

"Auduino project from web.
Code and schematics on Auduino project link below;
http://code.google.com/p/tinkerit/wiki/Auduino"