Adafruit METRO M0 Express - ATSAMD21G18 Microcontroller Board

Adafruit METRO M0 Express - ATSAMD21G18 Microcontroller Board

Marsoni

M251S

$57.00

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

Adafruit METRO M0 Express - ATSAMD21G18 Microcontroller BoardThe Adafruit METRO M0 Express is a powerful microcontroller board designed for CircuitPython and Arduino IDE, featuring the ATSAMD21G18 ARM Cortex M0+ running at 48 MHz with 3. 3V logic. This board offers a significant upgrade over the original Metro 328, with 256KB of flash memory, 32KB of RAM, and built in USB support without the need for an external serial converter chip. Power supply via 7 9V DC jack with on off switch or micro USB 5V source;

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Reviewed in the United States on December 10, 2025

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mark ellis

Draper, US

★★★★★ 4

LOVE IT,SMELLS GOOD.

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Reviewed in the United States on February 5, 2026

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Reviewed in the United States on February 26, 2026