Proto Pedal PCB Design

One (other) thing I was toying with experimenting with is the whole world of DIY guitar pedals. I don't know much about them but wanted a platform I could use for experimentation. Part 1 - PCB Design and Introduction. Part 2 - PCB Build Guide. Part 3 - Proto Pedal Usage and Application Notes. I … Continue reading Proto Pedal PCB Design →

Educational DIY Synth Thing meets Korg Volca Modular

When designing my Educational DIY Synth Thing I always had in mind that I might be able to hook it up to my Korg Volca Modular. This post looks at the implications and possibilities. Warning! I strongly recommend using old or second hand equipment for your experiments. I am not responsible for any damage to expensive … Continue reading Educational DIY Synth Thing meets Korg Volca Modular →

Educational DIY Synth Thing – Part 7

Ok, so this is yet another final, "final" part, but having produced my Raspberry Pi Pico MIDI Touch Keyboard PCB I wanted to show how it could be hooked up to my Educational DIY Synth Thing. This includes a variant of the accessories panel that supports a connector for the Pico touch keyboard. Part 1 - … Continue reading Educational DIY Synth Thing – Part 7 →

Educational DIY Synth Thing – Part 6

My Educational DIY Synth Thing is meant to be a platform for experimenting and one easy way to get started on that is with the addition of some off-the-shelf audio and synthesizer-oriented electronics kits. Part 1 - This introduction and high-level design principles. Part 2 - Detailed design of an ESP32 based PCB. PCB Design PCB … Continue reading Educational DIY Synth Thing – Part 6 →

Educational DIY Synth Thing – Part 5

In this final part of the series I present some simple configurations to show how the thing might be used. Part 1 - This introduction and high-level design principles. Part 2 - Detailed design of an ESP32 based PCB. PCB Design PCB Build Part 3 - Software design. Part 4 - Mechanical assembly and final … Continue reading Educational DIY Synth Thing – Part 5 →

Educational DIY Synth Thing – Part 4

In the first part I described the concept and basic design parameters I was looking for and then in Part 2 I looked at the detailed electronic design, and in Part 3 at the code, for a board based on the ESP32 WROOM module I have. In this part I look into some additional mechanical … Continue reading Educational DIY Synth Thing – Part 4 →

Educational DIY Synth Thing – Part 3

In the first part I described the concept and basic design parameters I was looking for and then in Part 2 I looked at the detailed electronic design for a board based on the ESP32 WROOM module I have. In this part I go into detail about the code. Part 1 - This introduction and … Continue reading Educational DIY Synth Thing – Part 3 →

ESP32 WROOM Educational Modular Synth Thing PCB Build Guide

Here are the build notes for my ESP32 WROOM Educational Modular Synth Thing 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 microcontrollers, see the Getting Started pages. Bill of Materials ESP32 WROOM Educational Modular Synth … Continue reading ESP32 WROOM Educational Modular Synth Thing PCB Build Guide →

ESP32 WROOM Educational Modular Synth Thing PCB Design

For the context of this PCB design, see: Educational DIY Synth Thing. The build guide can be found here: ESP32 WROOM Educational Modular Synth Thing PCB Build Guide Warning! I strongly recommend using old or second hand equipment for your experiments. I am not responsible for any damage to expensive instruments! The Circuit The key design decisions … Continue reading ESP32 WROOM Educational Modular Synth Thing PCB Design →

Educational DIY Synth Thing – Part 2

In the first part I described the concept and basic design parameters I was looking for. In this part I go into detail about how I'm going about implementing them with an ESP32 WROOM board. Part 1 - This introduction and high-level design principles. Part 2 - Detailed design of an ESP32 based PCB. PCB … Continue reading Educational DIY Synth Thing – Part 2 →