Adafruit QT Py - SAMD21 Dev Board with STEMMA QT

Adafruit QT Py - SAMD21 Dev Board with STEMMA QT

Marsoni

M251S

$12.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Adafruit QT Py - SAMD21 Dev Board with STEMMA QTWhat a cutie pie! Or is it a QT Py? This diminutive dev board comes with our favorite lil chip, the SAMD21 (as made famous in our GEMMA M0 and Trinket M0 boards). This time it comes with our favorite connector the STEMMA QT, a chainable I2C port that can be used with any of our STEMMA QT sensors and accessories. OLEDs! Inertial Measurment Units! Sensors a plenty. All plug and play thanks to the innovative chainable design: SparkFun Qwiic compatible

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I bought this to travel for a summer camp and still use it, two years later! It is now my everyday jewelry container. The gold clasp has held up well and closes well. Very easy to use and structurally sound! I love the color and overall vibe of it too- very straight forward. I use the top portion for long earrings, so know if you do that, it can be finnicky, if you have fun or funky shaped earrings- so just know they may get caught but it's such an easy fix. I would say it is about the size of half of an American Girl doll. Maybe around the size of half a goose.

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Reviewed in the United States on May 8, 2026