Adafruit Grand Central M4 Express featuring SAMD51 - Without Headers

Adafruit Grand Central M4 Express featuring SAMD51 - Without Headers

Marsoni

M251S

$41.00

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

Adafruit Grand Central M4 Express featuring SAMD51 - Without HeadersThe Adafruit Grand Central features the ATSAMD51 processor, running at 120 MHz with floating point support. It's perfect for demanding projects with its 70 GPIO pins, dual DACs, 8MB QSPI flash storage, and microSD card slot. It supports analog, PWM, SPI, UART, I2C, and stereo I2S inputs outputs. The board also includes built in USB support, a UF2 bootloader for easy programming, and is compatible with CircuitPython and Arduino IDE. It is designed in

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Reviewed in the United States on March 25, 2026