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In Progress

a drawing of a circuit board shows a row of connectors

16 Channel Balanced Relay Switcher

16 Channel relay based switcher for analog balanced audio.

Space Lab Systems
BuildApr 28, 2025
Matt Schaefer
a schematic diagram

Turbopedal

A fully analog multi-effects guitar pedal that covers the basics.

Matt Schaefer
BuildFeb 1, 2024
Matt Schaefer

Completed

LED number displays that show various dates

Time Circuits

Fully functioning replica of the time circuit displays from Back to the Future.

Doc Brown
BuildJan 1, 2015 - Jul 13, 2025
Matt Schaefer
a black electronic box is sitting on top of a wooden table .

Talkback Controller

A device that simplifies recording studio talkback control

Space Lab Systems
BuildJun 1 - Dec 31, 2024
Matt Schaefer