Arduino Direct Digital (Additive) Synthesis

This is actually a collection of previous projects with the code tidied up a little and combined to show a single sketch that can be configured for either PWM, an R2R ladder or the MCP4725 I2C DAC. There isn't really anything here that hasn't been talked about before somewhere, but hopefully this can act as …

Nano Audio Experimenter Sheild PCB Build Guide

Here are the build notes for my Nano Audio Experimenter Sheild PCB. 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 Arduino, see the Getting Started pages. Bill of Materials Nano Audio Experimenter Sheild PCB (GitHub link below) 1x …

Nano Audio Experimenter Sheild PCB

This takes the Arduino Nano Mozzi Experimenter Shield PCB and swaps out three of the pots for the optional use of the following: MCP4725 DAC. SSD1306 display. IO links for an analog multiplexer. This is in addition to the remaining three potentiometers, the MIDI interface and the audio filter output. Warning! I strongly recommend using old …

Arduino Audio Experimenter Shield PCB – Part 2

This is the build guide for my Arduino Audio Experimenter Shield PCB. 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 used in this project: Arduino PWM Sound Output Arduino R2R Digital …

Arduino Audio Experimenter Shield PCB

I have a number of Arduino projects that allow for some kind of synthesis to be output via a digital to analog conversion process.  This PCB brings three of those methods together into a single shield to support a range of experiments. Warning! I strongly recommend using old or second hand equipment for your experiments.  …

Lo-Fi Orchestra – Fanfare for the Common Man

Here is another piece for my Arduino tones- Aaron Copland's Fanfare for the Common Man.  This is scored for four horns, three trumpets, three trombones, tuba, timpani, bass drum and tam-tam. The Arduino tones provide the brass.  The VS1053 provides the timpani and bass drum, but the tam-tam was a bit problematic.  Eventually I decided …

Lo-Fi Orchestra – 1812 Overture Finale

In celebration of this being the 100th post on this blog, the Lo-Fi Orchestra is proud to present the finale from Tchaikovsky's 1812 Overture. Utilising elements of the MIDI file by Scott P. Anderson from Classical musical midi composers biography free classical midi. https://www.youtube.com/watch?v=aNIXccdZGl0&feature=youtu.be Featuring the full line-up from the Lo-Fi Orchestra with extra special …

MCP4725 MIDI Sample Player

This is an update to my MCP4725 Sample Player to have it "playable" over MIDI rather than be triggered via a button. Warning! I strongly recommend using an old or second hand keyboard for your MIDI experiments.  I am not responsible for any damage to expensive instruments! These are the key Arduino tutorials for the main …

MCP4725 Sample Player

This is another chance to get out the MCP4725 digital to analogue converter module. This time I want it to play a sampled sound as a type of "effect" based on a trigger. In the next part, I add MIDI support. https://youtu.be/LtqQGB5PInM These are the key Arduino tutorials for the main concepts used in this …

MCP4725 and Mozzi – Part 2

So, ignoring the delirium that turned out to be MCP4725 and Mozzi this is using the built-in I2C "TwoWire" support in the Mozzi library to talk to the MCP4725 and generate audio. https://youtu.be/xtVi1blvt1c Warning! I strongly recommend using an old or second hand keyboard for your MIDI experiments.  I am not responsible for any damage to expensive …