Pico MIDI “Pack” PCB Build Guide

Here are the build notes for my Pico MIDI “Pack” PCB Design. Warning! I strongly recommend using old or second hand equipment for your experiments.  I am not responsible for any damage to expensive instruments! Bill of Materials PCB link (GitHub link below) 1x H11L1 optoisolator. 1x 1N914 or 1N4148 signal diode. 1x each of 10Ω, … Continue reading Pico MIDI “Pack” PCB Build Guide

MiniDexed Quad DAC PCB Build Guide

Here are the build notes for the MiniDexed Quad DAC 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 single board computers, see the Getting Started pages. Bill of Materials MiniDexed Quad DAC PCB (GitHub link … Continue reading MiniDexed Quad DAC PCB Build Guide

MiniDexed Quad DAC PCB Design

This is the design for a MiniDexed IO board for the Raspberry Pi 5 that supports four GY-PCM5102 modules as described here: RPi 5 Quad Stereo Sound with PCM5102A. Build guide here: MiniDexed Quad DAC PCB Build Guide. Warning! I strongly recommend using old or second hand equipment for your experiments.  I am not responsible for any … Continue reading MiniDexed Quad DAC PCB Design

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

CD Rack Format Zynthian – Part 2

I've recently updated my "CD Rack" box to a horizontal black box, still shaped for my "CD Rack" format modules. But as it is black, and I've a black TX816, I've rebuilt my CD Rack format Zynthian with a black, PCB front panel too. Original Design Notes: CD Rack Format Zynthian. Warning! I strongly recommend using … Continue reading CD Rack Format Zynthian – Part 2

Arduino EEPROM Reader PCB Build Guide

Here are the build notes for my Arduino EEPROM Reader PCB Design. 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 Arduino EEPROM Reader PCB (GitHub link below). 2x … Continue reading Arduino EEPROM Reader PCB Build Guide

Arduino EEPROM Reader PCB Design

This is a PCB version of the Arduino EEPROM Reader/Writer as described here: https://github.com/beneater/eeprom-programmer but with slight adjustments to support reading of 27Cxxx style ROMs often found in vintage equipment. Build Guide here: Arduino EEPROM Reader PCB Build Guide. Warning! I strongly recommend using old or second hand equipment for your experiments.  I am not responsible … Continue reading Arduino EEPROM Reader PCB Design