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Arduino GIGA R1 WiFi Development Board


This Arduino GIGA R1 WiFi Development Board measures only 101 x 53mm and has the same form factor as the popular Mega and Due. Despite its small size, it offers 76 GPIO pins, which include 12 analog pins, 12 PWM pins, 4 UARTs, 3 I2C ports, 2 SPI ports, 1 FDCAN, and 1 SAI. Additionally, Wi-Fi and Bluetooth LE wireless communications are supported by an external antenna Murata 1DX, so users can quickly connect the board to the Arduino IoT Cloud and remotely monitor their project without concern about communication security.

The GIGA R1 WiFi employs dual-core 32-bit Arm MCU STM32H747XI, bringing together a Cortex-M7 at 480 MHz and a Cortex-M4 at 240 MHz. Besides, it comes with 2MB Flash and 1MB RAM, which allow users to run two programs simultaneously, for example, run micro-python in one and Arduino in the other.

The board features a USB-C connector used for power, programming, and an HID function that allows it to simulate mouse or keyboard when connected to a PC. And it also has a USB-A connector suitable for hosting USB sticks, other mass storage devices, and HID devices such as a mouse or keyboard. Additionally, it includes a 3.5mm input/output audio jack, JTAG connector(2x5 1.27mm), and 20Pin Arducam camera connector. The GIGA R1 WiFi can handle up to 24 volts.


  • 76 digital inputs/outputs (12 with PWM capability)
  • 14 analog inputs and 2 analog outputs (DAC)
  • USB-C and USB Host (keyboard, mass storage) via a dedicated USB-A connector


  • IoT devices
  • Robotics
  • Automation
  • Smart homes
  • Industrial automation


  • Microcontroller: STMicro STM32H747XI Cortex-M7 @ 480 MHz + M4 @ 200 MHz MCU with 2MB dual-bank Flash memory, 1 MB RAM, Chrom-ART graphical hardware accelerator
  • System Memory: 8MB SDRAM
  • Flash: 16MB QSPI NOR flash
  • Radio Module: 2.4GHz WiFi 802.11b/g/n up to 65 Mbps and Bluetooth 5.1 BR/EDR/LE via Murata 1DX module
  • Display: 20-pin header
  • Camera: 20-pin Arducam camera connector
  • USB:
             USB Type-C port × 1, used for programming & HID
             USB 2.0 Type-A port × 1
  • Audio: 3.5mm audio jack
  • I/O: I/O pins (includes camera/display pins) × 76
             UART × 4, I2C × 3, SPI × 2
             PWM × 12
             Analog inputs × 12
             DAC × 2
             CAN bus (requires an external transceiver)
  • Operating Voltage: 3.3V
  • Current per I/O Pin: 8mA
  • Debugging: JTAG connector
  • Input Voltage: 6-24V
  • Dimensions: about 101×53 mm/3.98×2.09"



Click here to read the California regulatory warning.