Devan Metz

Adafruit METRO M0 Express - designed for CircuitPython - ATSAMD21G18

Adafruit
Adafruit METRO M0 Express - designed for CircuitPython - ATSAMD21G18 Fritzing board illustration
ladyada / Adafruit Industries. Breadboard SVG rasterized from the original Fritzing part and converted to WebP. CC-BY-SA-3.0. Library subparts art credit: MicroSD Card holder, ESP-12E module, and Bluefruit LE (MDBT40) art by PigHixx. Source · CC-BY-SA-3.0

Specifications

Price24.95 USD
MCUATSAMD21G18
CoreArm Cortex-M0+
Clock48 MHz
Flash256 KB internal flash + 2 MB SPI flash
RAM32 KB
USBMicro-USB
Logic voltage3.3 V
GPIO25
DAC1 × 10-bit
PWMAlmost all pins
InterfacesI2C, SPI, UART, USB
Dimensions71mm x 53mm; 13mm height with barrel jack
EcosystemsArduino, CircuitPython, MakeCode

Resources

Sources