Grand Central M4 Express featuring the SAMD51

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Here comes the Adafruit Grand Central featuring the Microchip ATSAMD51P20 with its 120MHz Cortex M4 and floating point support. The Grand Central is the first SAMD board that has enough pins to make it in the form of the Arduino Mega - with a massive number of pins, tons of analog inputs, dual DAC output, 8 MBytes of QSPI flash, SD card socket, and a NeoPixel.

Grand Central has 62 GPIO pins, 16 of which are analog in, and two of which is a true analog out. There's a hardware SPI port, hardware I2C port and hardware UART. 5 more SERCOMs are available for extra I2C/SPI/UARTs. 8 MB QSPI Flash storage chip is included on board. You can use the SPI Flash storage like a very tiny hard drive.

For easy reprogramming, it comes pre-loaded with the UF2 bootloader, which looks like a USB storage key. Simply drag firmware on to program, no special tools or drivers needed. It can be used to load up CircuitPython or Arduino IDE.

More information is available on the website of Adafruit.

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