Category Archives: Electronics

Apple HomeKit on iOS with Arduino (ESP8266) through Raspberry Pi – Part 2

Apple HomeKit on iOS with Arduino (ESP8266) through Raspberry Pi Part 1 of this article explained how to install a HomeKit server on a Raspberry Pi. This will allow you to add new, DIY accessories that can receive commands from … Continue reading

Posted in Arduino, Electronics | 6 Comments

Review: Zivix PUC+ for Bluetooth Midi Wireless

I’ve been a fan off wireless MIDI for a while. I built a few prototypes and I still use some of the devices I made. I might have found a replacement: Zivix just came out (fall 2015) with a wireless Midi transmitter, … Continue reading

Posted in Electronics, Music equipment, Uncategorized | Tagged , , | 4 Comments

VC-1: Volume control for guitar using Arduino

As explained here, here and here, the VC-1 is a volume control for guitar (or bass) that can use a potentiometer, a variable analog signal or a Midi command to change the output volume.

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

MIDI Experiments: Arduino as master

Arduino as a Midi master The previous two posts explained how standard MIDI can supply some current at 5 Volts if implemented according to the MIDI standards. In this post, I go a little further and explain how an Arduino, … Continue reading

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MIDI experiments: Stealing power for an Arduino

In the previous post, I explained a simple circuit that will indicate if a MIDI OUT port can provide 5 Volts and a little bit of current between pin 2 (ground) and pin 4 (+5 Volts). Not all MIDI devices … Continue reading

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MIDI experiments: A simple MIDI tester

While doing some research to build a simple MIDI tester, I started to study the “real world” MIDI electrical specifications out there. I also experimented with various MIDI equipment and measured some voltages. A simple MIDI tester MIDI specifications imply that … Continue reading

Posted in Electronics, Music equipment | Tagged | 2 Comments

About MIDI connections: Identifying the Midi pin numbers

A short article to help identify MIDI pin numbers in all those circuit drawings  and photos on the internet.

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My ultimate versatile MIDI connection board: Versatility is the key

My Ultimate Versatile Midi Connection Board I work with Midi, a lot. I often have to plug equipment for testing instruments, circuits and interfaces. I often need to connect more than one device to a computer or micro-controller. So I decided … Continue reading

Posted in Electronics, Music equipment | Tagged | 3 Comments

REVIEW: iConnectivity iConnectMIDI4+ — Part 1 – Hardware

I just received the iConnectivity iConnectMIDI4+. This is a hardware review. You know me: take it apart first, and then review it. So this post is about hardware. The next post will be a software and application review. In the … Continue reading

Posted in Electronics, Music equipment | Tagged , , | 10 Comments

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

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 | 3 Comments