Adafruit Grand Central M4 Express featuring SAMD51 - Without Headers

The 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 the popular Arduino Mega shape, with a focus on high-performance, low-profile versatility.

Specifications:

• Cortex M4 Processor running at 120 MHz with floating-point support
• 1MB Flash and 256KB RAM with 32-bit, 3.3V logic/power
• 70 GPIO pins (16 analog, 2 true analog output)
• Dual 1 MSPS DAC/ADC, 22 PWM outputs
• 8 x SERCOM for I2C, SPI, UART
• Stereo I2S input/output with MCK pin
• 8MB QSPI Flash for storage, MicroSD slot for removable storage
• USB native support with no need for serial converter
• Easy reprogramming via UF2 bootloader
• Powered by 6-12V DC or micro USB with automatic switching