Category Archives: Music equipment

MP-2 + MRe: Hacking the Alesis Vortex and using a Wireless Midi Transmitter

Posted on 2013/04/12 by rt

A two-project merge! The Alesis Vortex needed a bit more… controls! So I decided to add a few sensors that would give me greater flexibility when playing. The Vortex is already quite capable, but my left hand was not “used” … Continue reading →

Posted in Arduino, Electronics, MP, MP-2, Music equipment, Vortex | Leave a comment

MRe-2: XBee Midi emitter

Posted on 2013/01/10 by rt

In the previous post, I  explained that I temporarily abandoned trying to use the RFM12B radio transceiver to exchange Midi information between two devices. This post explains how I successfully used the XBee radio transceiver to achieve sending information between … Continue reading →

Posted in Electronics, MP, Music equipment | Tagged , , | 5 Comments

Alesis Vortex – First Review: What’s inside? (Tear Down)

Posted on 2012/12/20 by rt

I received an Alesis Vortex today: Of course, I will do a user review.  I also did a functional review. But first, a tear-down! (As usual, a click on the picture will enlarge it) I will try to be precise … Continue reading →

Posted in Music equipment, Vortex | Tagged , , | 1 Comment

VC-1: New circuit

Posted on 2012/02/07 by rt

The first circuit design for the VC-1 was a bit unstable and very dependant on the quality of the control signal. Since the goal here is to control the resistance with a PWM signal from the micro-controller, the control signal … Continue reading →

Posted in Electronics, Music equipment, VC-1 | Tagged , | 7 Comments

VC-1: Volume Control Beta

Posted on 2011/12/24 by rt

The VC-1 is. On the left, the Silonex Audiohm opto-couplers (OC) with the electronic drivers. it has been described here. On the right, the line-buffer/impedance-controller described there. It works as expected, using two digital pins on the Arduino micro-controller to … Continue reading →

Posted in Arduino, Electronics, Music equipment, VC-1 | Tagged , | 1 Comment

Griffin Stompbox: A review

Posted on 2011/08/04 by rt

Since I develop pedal boards, I thought I’d give the Griffin Stombox a try. To see what others are up to. The idea makes sense. A pedal board to control effects on the iPad. Sadly, there are a few major … Continue reading →

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Alesis iO DOCK: A review

Posted on 2011/08/04 by rt

There will be no un-boxing. Sorry, but there isn’t much in the box. Actually, I won’t do much functionality review today. In this first review, I am more interested in what is INSIDE the iO DOCK. The left side is … Continue reading →

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Now, THAT is cool! The Alesis iO Dock

Posted on 2011/05/28 by rt

This is definitely something I will look at in detail when it becomes available.I’m already using my iPad with keyboards, microphones and my guitar plugged in. Also, I use TouchOSC to communicate using wireless with the computer. This might save … Continue reading →

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