HardLabs

Expressor

finnglink·expressor·hardware/panel/source/2HP_EXP_Panel.kicad_pcb

Expressor PCB layout, top view — open source board by finnglink

About the Expressor PCB

Expressor is an open source PCB design by finnglink, published on GitHub under the MIT license. It is a 2-layer board measuring 10 × 39.7 mm, with 0 components from 0 distinct parts.

It belongs with the audio designs in this gallery.

From the project

Eurorack expression pedal to CV utility, 2HP Intellijel 1U format

A tiny 2HP 1U utility module (Intellijel 1U format) that turns an expression pedal into a 0–10V CV source (~9.7V in practice, see How it works). Plug a TRS expression pedal into the exp jack, take CV from out, and you've got a foot-controlled filter sweep, LFO rate, FX send, or a nice macro controller for your patch. A small LED between the jacks shows you what's happening.

Expressor, from the project README
From the project README

Expressor design files

The KiCad project lives in the finnglink/expressor repository on GitHub; these links point at the commit this page was built from.

Expressor: common questions

How big is the Expressor PCB?

The Expressor measures 10 × 39.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Expressor?

0 components, from 0 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Expressor design files?

From the finnglink/expressor repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Expressor design in my own project?

Yes, under the terms of its MIT license, which finnglink chose for the repository.

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