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Adafruit TRRS Trinkey Downloads

Adafruit TRRS Trinkey

by Liz Clark and Bill Binko

published May 28, 2024, last edited January 22, 2025

posted in Sensors Adafruit Products Arduino Compatibles CircuitPython STEMMA

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Overview
Pinouts
Install CircuitPython
CircuitPython Essentials
Arduino IDE Setup
Downloads

Single page
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Primary Products

Adafruit TRRS Trinkey - USB Key for Assistive Technology
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Snap-on Enclosure for Adafruit TRRS Trinkey

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Clear Snap-on Enclosure for Adafruit TRRS Trinkey

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4

Beginner

Product guide

Downloads

Files

ATSAMD21 Datasheet
Webpage for the ATSAMD21E18 (main chip used)
EagleCAD PCB files on GitHub
Factory Demo .UF2 File
Fritzing object in the Adafruit Fritzing Library
PrettyPins PDF on GitHub

3D Printed Case files for SLA

3D Printed Case files for FDM

Schematic and Fab Print

dimensions are in inches

Page last edited September 23, 2024

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Arduino AT Switch Example

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