The New Adafruit Feather M4

The new Feather M4 Express, the latest Adafruit board to support CircuitPython. (📷: Adafruit)
This Feather is based on an ATSAMD51J19 —a Cortex-M4 running 120MHz with floating point support, 512KB Flash, and 192KB RAM. (📷: Adafruit)

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