Raspberry Pi, Clumsy MIDI and MT32-Pi – Part 2

This is a short follow-up to my previous post - Raspberry Pi, Clumsy MIDI and MT32-Pi - to explore the General MIDI capabilities of the MT32-Pi. https://youtu.be/RcpGciIM-KA Warning! I strongly recommend using old or second hand equipment for your experiments. I am not responsible for any damage to expensive instruments! If you are new to the … Continue reading Raspberry Pi, Clumsy MIDI and MT32-Pi – Part 2 →

Arduino Top Octave Generator – Counter Experiments

After building my Arduino Top Octave Generator I went off an ordered some binary counter devices to use to produce some "lower octaves". This is a test run project to explore how the 74HC393N devices I have work. In part 2 I start to explore how to expand this to multiple keys and octaves. https://youtu.be/MO8jG0fjUSU Warning! … Continue reading Arduino Top Octave Generator – Counter Experiments →

Pi Pico Keypad MIDI Step Sequencer

As soon as the Raspberry Pi Pico came out accompanied by the Pimoroni Keypad, people started making MIDI controllers with it. So far, most of the ones I've seen have used the USB MIDI library from Adafruit for Circuit Python, but I wanted to get some "real MIDI" out of it, so I've hooked one … Continue reading Pi Pico Keypad MIDI Step Sequencer →

Raspberry Pi, Clumsy MIDI and MT32-Pi

If you're a regular reader of this blog, you'll have noticed my trusty Roland MT-32 MIDI sound module in various experiments. It even featured in my "Raspberry Pi Plays Bach" video which was my first play with MIDI on the Raspberry Pi Pico. I've been wanting to experiment with some of options for using a … Continue reading Raspberry Pi, Clumsy MIDI and MT32-Pi →

Raspberry Pi Pico MIDI “pack” Interface

Having now done both MIDI In and MIDI Out for the Raspberry Pi Pico, and having seen the Adafruit MIDI Feather Wing and the design for "packs" ("shields" in Arduino speak or "wings" in Adafruit Feather speak) from Pimoroni, I wanted a convenient equivalent for my MIDI In and Out and this is the result. … Continue reading Raspberry Pi Pico MIDI “pack” Interface →

AD9833 MIDI Poly Signal Generator

Here are the details of how I added MIDI to my six-way AD9833 Poly Signal Generator shield building on the code that enabled the pots and switches from AD9833 Poly Signal Generator – Part 2. https://youtu.be/gnYn5I3gP9I Warning! I strongly recommend using an old or second hand equipment for your experiments. I am not responsible for any … Continue reading AD9833 MIDI Poly Signal Generator →

AD9833 Poly Signal Generator – Part 2

Following on from having built a six-way AD9833 Poly Signal Generator shield, its time to play with the pots and buttons. https://youtu.be/px4RQnccjmg Warning! I strongly recommend using an old or second hand equipment for your experiments. I am not responsible for any damage to expensive instruments or amplification! These are the key Arduino tutorials for … Continue reading AD9833 Poly Signal Generator – Part 2 →

AD9833 Poly Signal Generator

Something I wanted to do right from first getting hold of some AD9833 Signal Generators was to set several of them up on a single shield. This project shows how to drive four of them from an Arduino Uno. In part 2 I start to experiment with the controls. In the final part, I add MIDI. … Continue reading AD9833 Poly Signal Generator →

Arduino Top Octave Generator

My previous experiments with Arduino tone() polyphony have led to a curious tangent, following some comments on a hackaday post featuring my original project that compared my project to Top Octave Generators. This describes how I used the same principle to create a simplified (and not very accurate or useful) Arduino Top Octave Generator as … Continue reading Arduino Top Octave Generator →

Arduino Tone Polyphony – Part 5

Ok, I thought I’d done with Arduino Polyphony for the time being, but something else came up today that I wanted to try. My post got a mention on the Hackaday blog and one of the comments has led me to a tweak that helps the tuning a little. https://youtu.be/lEaZhnjikfs Warning! I strongly recommend using old or … Continue reading Arduino Tone Polyphony – Part 5 →