Tuesday 30 May 2023

Build a Teensy Stand-Alone Filter

I love Teensy Microcontrollers! I'm constantly finding new uses for them. In this video, we will use a Teensy 3.2 with the matching SGTL5000 Audio board to make a stand-alone synth filter! This will also work with the Teensy 4.x series. The Teensy 3.x and 4.x use different Audio boards so make sure you get the correct one.

Download the code HERE

PARTS on Amazon

Teensy 3.2 Microprocessor

Teensy Audio Board


10K Linear Pots


  1. Excellent tutorials. Would be great to see more.

  2. The stand alone filter works great, I added the "FreeVerb", reverb component to it (using the Teensy GUI Audio browser tool).
    First time using the "ResponsiveAnalogRead" class to read pots.

    I'm thinking about how I could make suitable for use with a guitar or bass.

  3. Great information! Thanks!