Arduino Uno Dual Merge MIDI “Shield”

Having spent some time now playing with a range of MIDI merge options, one final thing I wanted to do was have a "merge shield" that could quickly turn an Arduino Uno into a simple two-in, one out MIDI unit. Warning! I strongly recommend using old or second hand equipment for your experiments. I am … Continue reading Arduino Uno Dual Merge MIDI “Shield” →

Arduino Multi MIDI Merge – Part 2

I've built a number of MIDI merge projects so far (for Arduino and Pico), but they've always taken a relatively simple approach to the merge. They had all ensured that MIDI messages won't be corrupted as they are merged - i.e. only complete messages will be passed on - but they've done nothing to interpret the … Continue reading Arduino Multi MIDI Merge – Part 2 →

Raspberry Pi Pico Multi MIDI Router – Part 3

The obviously missing part of my Raspberry Pi Pico Multi MIDI Router is the use of USB MIDI. The Pico should support both USB host and device functionality, but I think you need to get into the C software development kit to do that properly, something I've not looked at yet. One of the easiest ways … Continue reading Raspberry Pi Pico Multi MIDI Router – Part 3 →

Raspberry Pi Pico Multi MIDI Router – Part 2

One thing I've wanted to do since building my Raspberry Pi Pico Multi MIDI Router is build a board a bit like ones DeftAudio produces for the Teensy. This posts describes a DIY version of a 4+2 IN, 4+2 OUT MIDI board for the Raspberry Pi Pico. Warning! I strongly recommend using old or second hand … Continue reading Raspberry Pi Pico Multi MIDI Router – Part 2 →

Arduino MIDI Channelizer

This project kicked off from a comment in the "Audio/Midi/DMX using Arduino" Facebook group, where someone wanted to know if an Arduino could receive messages on one channel and change the channel number and send them back out. The answer is yes and this is how it could be done. I've based it on my Arduino … Continue reading Arduino MIDI Channelizer →

Raspberry Pi Pico Multi MIDI Router

In this project I've combined my Raspberry Pi Pico MIDI Channel Merger and my Raspberry Pi Pico MIDI Channel Router to create a more general 6-IN, 6-OUT MIDI routing device. This project uses the two hardware UARTs on a Raspberry Pi Pico along with four "PIO" UARTs to give the six MIDI IN and OUT ports. Part … Continue reading Raspberry Pi Pico Multi MIDI Router →

Raspberry Pi Pico MIDI Channel Merger

This is my second try at using the Raspberry Pi Pico Programmable Input Output (PIO) peripherals. My previous attempt was for a MIDI channel router. This time, I'm building a MIDI channel merger. The basic idea is to use the Raspberry Pi PIO to create 8 MIDI IN ports and merge them all into a … Continue reading Raspberry Pi Pico MIDI Channel Merger →

Arduino Multi MIDI Merge

I've already had a basic MIDI merge project, combining USB MIDI and serial MIDI into a single serial MIDI out (see Arduino USB MIDI Merge). This project takes that forward to provide the options for a whole range of MIDI IN interfaces merging to a single MIDI OUT. In Part 2 I develop the code … Continue reading Arduino Multi MIDI Merge →

Arduino USB MIDI Merge

This project uses two off-the-shelf Arduino shields to provide a USB and Serial MIDI merge to a single Serial MIDI OUT. https://youtu.be/AB49UNDIrcM Warning! I strongly recommend using old or second hand equipment for your experiments. I am not responsible for any damage to expensive instruments! These are the key Arduino tutorials for the main concepts … Continue reading Arduino USB MIDI Merge →