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Tinker Tailor

Adafruit Gemma M0 Sewable Microcontroller

Adafruit Gemma M0 Sewable Microcontroller

$17.55 CAD
$17.55 CAD
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This is a go-to favourite for sewing wearable circuits! Checkout some of my projects using this board for inspiration.

Adafruit Gemma M0 Sewable Microcontroller

Tiny. Powerful. Ready to wear. The Adafruit Gemma M0 is your wearable tech bestie—a quarter-sized powerhouse that punches way above its weight.

Why You'll Love It

  • Sewable magic: Three big-hole pads for conductive thread or alligator clips—perfect for stitching into gloves, hats, or interactive socks.

  • Massive upgrade: ATSAMD21E18 (32-bit Cortex M0+, 48MHz) with 256KB Flash and 32KB RAM—handles NeoPixels (8000+!), sensors, and CircuitPython like a champ.

  • Do-everything pins: 3x GPIO with analog input (12-bit), PWM, capacitive touch, I2C, Serial, even true analog audio output on one.

  • Plug-and-play: Native USB works as serial console, HID keyboard/mouse, or CircuitPython drive—no extra drivers needed.

Perfect For:

  • NeoPixel wearables (DMA support = buttery smooth)

  • Adding Pressure/tilt sensors in clothing

  • Touch-sensitive jewellery

  • Your next Tinker project

Built-in RGB DotStar LED, JST battery connector (3-6V), reset/on-off switches.

Dimensions: 28mm round x 6.4mm thick - Weight: 2.1g

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