What is it?

Synapse is a CV to MIDI Eurorack module allowing you to control an external instrument using your modular synth.

This is the fully assembled module, if you prefer to get a kit and do it yourself, the kit is available here.

Why did you make it?

I initially made this module to control my Korg Volca Beats drum kit but you can actually use it to control any instrument with a MIDI input.

What makes it special?

This module is very easy to build even for beginners, most of the components are already soldered, you just have to solder the Jacks, some connectors and a few easy to solder components, really nothing difficult here, however, if you are really not into DIY for your Eurorack modules, here is the fully assembled version of the module.

The logic is done on an Arduino Nano and the source code is available on Github

The firmware is easy to adapt to your needs and is uploaded to the module using the Arduino IDE. If the module gets popular enough, I will consider making an app to customize the firmware without having to change a single line of code.

See the full documentation for more informations on specifications and how to build it.

The fully assembled module comes with the firmware preloaded on the Arduino, feel free to contact me on reddit after placing your order if you want me to customize the firmware a bit for you.