Vintage Rotary Phone MIDI Controller – Part 6

In this final (for now) post, I'm just tidying up the circuit and using a Pro Mini to embed all the electronics I need into a nice small box. This builds on the previous parts in this series. Part 1 - Understanding the telephone hardware and interfacing to an Arduino. Part 2 - Decoding the … Continue reading Vintage Rotary Phone MIDI Controller – Part 6 →

Pi Day MIDI Sequencer

If you write your dates month first, then 14th March is recognised as Pi day i.e. 3.14.(2022) in this case. I've long had the idea of doing something MIDI or sequencer related to number sequences. I'd like to do something with the Online Encyclopedia of Integer Sequences (OEIS) at some point, but as it is … Continue reading Pi Day MIDI Sequencer →

Vintage Rotary Phone MIDI Controller – Part 5

In this post, I describe how to use my rotary phone as a simple random-note MIDI "sequencer" of sorts. The triggering of the notes is driven from the pulses of the dial. This builds on the previous parts in this series. Part 1 - Understanding the telephone hardware and interfacing to an Arduino. Part 2 … Continue reading Vintage Rotary Phone MIDI Controller – Part 5 →

Vintage Rotary Phone MIDI Controller – Part 4

In this post, I describe how to use my rotary phone as a MIDI program changer. This builds on the previous parts in this series. Part 1 – Understanding the telephone hardware and interfacing to an Arduino. Part 2 – Decoding the rotary dial from the Arduino. Part 3 – Rotary phone MIDI note controller. Part 4 – Rotary … Continue reading Vintage Rotary Phone MIDI Controller – Part 4 →

Vintage Rotary Phone MIDI Controller – Part 3

This is the first musical application of my vintage rotary phone. I'm using it as a simple MIDI note generator. Remember, I really wanted to keep this as a potentially working phone when not plugged into an Arduino. This builds on the previous parts in this series. Part 1 – Understanding the telephone hardware and interfacing … Continue reading Vintage Rotary Phone MIDI Controller – Part 3 →

Arduino RF24 MIDI Interface – Part 2

Having got the basics of "wireless MIDI" working with my nRF24L01 radios, I wanted to take advantage of the inherent "broadcast" nature of radio and see if I could transmit to a number of receivers at the same time. It turned out to be quite a bit more involved than I was expecting! But I … Continue reading Arduino RF24 MIDI Interface – Part 2 →

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 RF24 MIDI Interface

One thing I've wanted to try is wireless MIDI. I know you can get MIDI over Bluetooth (there are some rather neat commercial "wireless 5-pin MIDI" adaptors you can buy) and I believe people have used MIDI over Wi-Fi by using ipMIDI ("MIDI over Internet Protocol"). But I've had some cheap nrf24L01 radios for a … Continue reading Arduino RF24 MIDI Interface →

Raspberry Pi Pico MIDI Pedal Keyboard

Quite a number of years ago, I found an old set of organ pedals and MIDI'd them up by the crude method of wiring the pedal switches onto the connectors for the keys of an old Amstrad MIDI keyboard... It was the technology and expertise I had at the time! I stumbled across them a … Continue reading Raspberry Pi Pico MIDI Pedal Keyboard →

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 →