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The Adafruit Grand Central M4 Express featuring the SAMD51 by Adafruit is a premium boards compatible with arduino designed for premium buyers. It features Shipping Weight: 0.04 kg and Shipping Dimensions: 12 × 10 × 2 cm.
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About This Product
The Adafruit Grand Central M4 Express featuring the SAMD51 by Adafruit is a premium boards compatible with arduino designed for premium buyers. It delivers reliable performance at an accessible price.
Key Specifications
- Shipping Weight: 0.04 kg
- Shipping Dimensions: 12 × 10 × 2 cm
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The Adafruit Grand Central M4 Express is a feature-rich development board powered by the ATSAMD51 Cortex M4 processor running at 120MHz. Designed in the Arduino Mega form factor, it offers extensive GPIO pins, multiple communication interfaces, and advanced analog capabilities including dual ADC and DAC. With 8MB QSPI flash and a microSD card slot, it supports data logging and storage applications efficiently. Native USB support allows easy programming without additional hardware. Compatible with Arduino IDE and CircuitPython, it simplifies development for beginners and professionals alike. Built-in NeoPixel and status LEDs improve debugging and visual feedback. Ideal for robotics, IoT, and embedded projects, this board delivers high-speed processing and flexibility for demanding applications.
Features:
- 120MHz Cortex M4 with floating-point support
- Arduino Mega-compatible form factor
- 62 GPIO pins with 16 analog inputs
- Dual DAC and high-speed ADC support
- 8MB onboard QSPI flash storage
- Native USB with UF2 bootloader
- MicroSD card slot for external storage
- Built-in NeoPixel and status LEDs
Specifications:
- Microcontroller : ATSAMD51P20
- Core : Cortex M4
- CPU Speed : 120 MHz
- Floating Point Support : Yes (DSP instructions)
- Flash Memory : 1 MB
- RAM : 256 KB
- Logic Level : 3.3 V
- Total GPIO Pins : 70
- Usable GPIO Pins : 62
- Analog Inputs : 16
- ADC : Dual 1 MSPS
- Analog Outputs : 2 (DAC)
- DAC : Dual 1 MSPS
- SERCOM Interfaces : 8 (I2C/SPI/UART configurable)
- PWM Outputs : 22
- Communication Interfaces : SPI, I2C, UART
- USB Support : Native USB
- Storage : 8 MB QSPI Flash
- External Storage : MicroSD Card Slot (SPI)
- I2S Support : Stereo I2S with MCK
- Parallel Capture : 12-bit (camera/video input)
- Crypto Engine : AES-256, True RNG, Public Key
- Power Input (DC Jack) : 6V–12V (polarity protected)
- Power Input (USB) : 5V via Micro USB
- Bootloader : UF2 (drag-and-drop programming)
- Indicators : Power LED, RX/TX LEDs, user LED
- RGB LED : 1 x NeoPixel
- Form Factor : Arduino Mega compatible
- Dimentions: 104 x 54 x 10 mm
- Weight: 34 g
Package Includes:
1 x Adafruit Grand Central M4 Express featuring the SAMD51
4 x Rubber Bumper
