MiniDexed Raspberry Pi IO Board V2 Design

My two MiniDexed PCBs were some of the earliest ones I made and so I've wondered about revisiting them for a while now. This is a respin of the SSD1306 version of the IO board that is, hopefully, slightly nicer to build a case around! Here is the link to the original PCB: MiniDexed Raspberry … Continue reading MiniDexed Raspberry Pi IO Board V2 Design →

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 →

RPi 5 Quad Stereo Sound with PCM5102A

Inspired by the news that HiFiBerry are releasing an 8-channel DAC board for the Raspberry Pi 5, but slightly disappointed they've sold out of their beta-test programme, coupled with the news that Rene has added 4-channel I2S support for circle, and seeing that the HiFiBerry dac8x is essentially four PCM5102A modules and a high quality … Continue reading RPi 5 Quad Stereo Sound with PCM5102A →

Raspberry Pi Pico Synth_Dexed? – Part 5

Ok, ignore my last comment about Part 4 being my last post on this topic. I thought I ought to pull together all the hardware notes on how to build one as I haven't really written that down anywhere. So this shows the connections required between the Pico, I2S DAC and MIDI IN. Part 1: … Continue reading Raspberry Pi Pico Synth_Dexed? – Part 5 →

RPi 400 MIDI and Audio PCB Build Guide

Here are the build notes for my RPi 400 MIDI and Audio PCB. https://makertube.net/w/tMyv2KC5D9zFLqs32MEjQa Warning! I strongly recommend using old or second hand equipment for your experiments. I am not responsible for any damage to expensive instruments! In this case - inserting this pcb incorrectly (which unfortunately is possible with the RPi-400) could damage the … Continue reading RPi 400 MIDI and Audio PCB Build Guide →

RPi 400 MIDI and Audio PCB Design

Now I've got my Raspberry Pi 400 up and running I've built a MIDI and I2S audio add-on board for use with the GPIO. Build guide here: RPi 400 MIDI and Audio PCB Build Guide. Warning! I strongly recommend using old or second hand equipment for your experiments. I am not responsible for any damage to … Continue reading RPi 400 MIDI and Audio PCB Design →

RPi Dual MiniDexed PCB – Part 2

Here are the build notes for the RPi Dual MiniDexed PCB Design. https://youtu.be/WnxW_eS3AZY 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 tutorials for the main concepts used in this project: MiniDexed Raspberry Pi IO Board If you are … Continue reading RPi Dual MiniDexed PCB – Part 2 →

RPi Dual MiniDexed PCB Design

I've been experimenting with various options for getting 16 tone generators running with MiniDexed and one of the options is running two MiniDexed setups side by side. I have a fork of MiniDexed that will allow one MiniDexed UI to control the 8 tone generators of a second MiniDexed over MIDI, but I'll come back … Continue reading RPi Dual MiniDexed PCB Design →

Raspberry Pi v1 Model B Synth Board – Part 3

This is the build guide for my Raspberry Pi v1 Model B Synth Board PCB. https://youtu.be/dNflll0_iJQ 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, single board computers and electronics, then see the Getting Started pages. … Continue reading Raspberry Pi v1 Model B Synth Board – Part 3 →