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The **GIGA R1 WiFi** is a powerful, feature-packed board with a large amount of GPIOs and dedicated connectors. Based on the [STM32H747XI](/resources/datasheets/stm32h747xi.pdf) micro based on the [Mbed OS](https://os.mbed.com/), the GIGA R1 WiFi features 75 GPIOs, a [dual core processor](/tutorials/giga-r1/giga-dual-core), [advanced ADC/DAC](/tutorials/giga-r1/giga-audio) features as well as camera & display connectors. It also has a rich [USB interface](/tutorials/giga-r1/giga-usb) with support for HID via USB-C and USBHost (keyboard, mass storage) via a dedicated USB-A connector.
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**Please Note:** The [GIGA R1](/hardware/giga-r1) & [GIGA R1 WiFi](/hardware/giga-r1-wifi) are identical except for the onboard Wi-Fi/BLE module & crypto chip. In the documentation, we refer to the board simply as **GIGA R1**, except for documentation related to the Wi-Fi/BLE module.
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The **GIGA R1 WiFi** is a powerful, feature-packed board with a large amount of GPIOs and dedicated connectors. Based on the [STM32H747XI](/resources/datasheets/stm32h747xi.pdf) micro based on the [Mbed OS](https://os.mbed.com/), the GIGA R1 WiFi features 76 GPIOs, a [dual core processor](/tutorials/giga-r1-wifi/giga-dual-core), [advanced ADC/DAC](/tutorials/giga-r1-wifi/giga-audio) features as well as camera & display connectors. It also has a rich [USB interface](/tutorials/giga-r1-wifi/giga-usb) with support for HID via USB-C and USBHost (keyboard, mass storage) via a dedicated USB-A connector.
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---
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title: 'Arduino GIGA R1 WiFi Cheat Sheet'
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description: 'Learn how to set up the GIGA R1 WiFi, get a quick overview of the components, information regarding pins and how to use different Serial (SPI, I2C, UART), and much, much more.'
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title: 'Arduino GIGA R1 Cheat Sheet'
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description: 'Learn how to set up the GIGA R1, get a quick overview of the components, information regarding pins and how to use different Serial (SPI, I2C, UART), and much, much more.'
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tags:
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- Installation
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- I2C
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This article is a collection of resources and guides to make use of every great feature of this powerful hardware.
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You can also visit the documentation platform for the [GIGA R1 WiFi](/hardware/giga-r1-wifi).
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You can also visit the documentation platform for the [GIGA R1](/hardware/giga-r1-wifi).
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## Datasheet
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The full datasheets are available as a downloadable PDF from the link below:
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-[Download the GIGA R1 WiFi datasheet](/resources/datasheets/ABX00063-datasheet.pdf)
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-[Download the GIGA R1 datasheet](/resources/datasheets/ABX00063-datasheet.pdf)
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## Power Supply
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To power the **GIGA R1 WiFi** you may either use a USB-C cable, or the VIN pin.
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To power the **GIGA R1** you may either use a USB-C cable, or the VIN pin.
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If you're using the USB-C connector you must power it with 5V.
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## Installation
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***For detailed instructions on how to install the GIGA R1 core, please refer to the [Getting Started with GIGA R1 WiFi](/tutorials/giga-r1-wifi/giga-getting-started) guide.***
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***For detailed instructions on how to install the GIGA R1 core, please refer to the [Getting Started with GIGA R1](/tutorials/giga-r1-wifi/giga-getting-started) guide.***
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The **GIGA R1 WiFi** can be programmed through:
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The **GIGA R1** can be programmed through:
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- The **Classic Arduino IDE 1.8.X**,
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- the **Arduino IDE 2.0.X**,
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- and the Web-editor.
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## Core
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The GIGA R1 WiFi is based on the [Arduino Core for mbed devices](https://github.com/arduino/ArduinoCore-mbed), which also provides a set of examples that works out of the box.
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The GIGA R1 is based on the [Arduino Core for mbed devices](https://github.com/arduino/ArduinoCore-mbed), which also provides a set of examples that works out of the box.
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These examples are available in the Arduino IDE via **File > Examples > Examples for GIGA**.
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## STM32H747XI Microcontroller
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The GIGA R1 WiFi features the powerful dual core **STM32H747XI** microcontroller found on the Arduino PRO familys Portenta H7 board, but in a form factor accessible to any maker who has tinkered with an Arduino board before.
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The GIGA R1 features the powerful dual core **STM32H747XI** microcontroller found on the Arduino PRO familys Portenta H7 board, but in a form factor accessible to any maker who has tinkered with an Arduino board before.
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The **STM32H747XI** is a powerful dual core chip, capable of being programmed with a high-level language such as MicroPython on one core, while simultaneously running Arduino compiled code on the other, and having the two programs communicate with each other seamlessly.
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The microcontroller operates on a voltage of 3.3V, applying a higher voltage than that, such as 5V, to a pin might damage the microcontroller.
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## Memory
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### RAM
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The **GIGA R1 WiFi** has 1 MB of SRAM that is internal to the processor, and 8MB of SDRAM which you can access and write to.
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The **GIGA R1** has 1 MB of SRAM that is internal to the processor, and 8MB of SDRAM which you can access and write to.
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To access the SDRAM you need to use the SDRAM library, include it in your sketch with:
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### Flash
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The **GIGA R1 WiFi** has 2MB of internal, and 16MB of external Flash storage.
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The external Flash storage on the **GIGA R1 WiFi** is QSPI and can be accessed and used to store data. If you need to, you can configure the board to act as a USB flash drive, so you can store files such as images, audio, and more.
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The **GIGA R1** has 2MB of internal, and 16MB of external Flash storage.
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The external Flash storage on the **GIGA R1** is QSPI and can be accessed and used to store data. If you need to, you can configure the board to act as a USB flash drive, so you can store files such as images, audio, and more.
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The GIGA firmware has full support for FATFS and littleFS.
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## Audio Jack
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The **GIGA R1 WiFi** features an audio jack, with 2x DAC channels, and 1x ADC channel, and is capable of reading input from a microphone, as well as outputting sound through a speaker.
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The **GIGA R1** features an audio jack, with 2x DAC channels, and 1x ADC channel, and is capable of reading input from a microphone, as well as outputting sound through a speaker.
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### USB HID
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The GIGA R1 WiFi comes with support for HID, and can be used as either a keyboard or mouse. For more information, visit the [USB HID section](/tutorials/giga-r1-wifi/giga-usb#usb-hid).
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The GIGA R1 comes with support for HID, and can be used as either a keyboard or mouse. For more information, visit the [USB HID section](/tutorials/giga-r1-wifi/giga-usb#usb-hid).
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title: Getting Started with GIGA R1 / GIGA R1 WiFi
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description: A step-by-step guide to install the board package needed for the GIGA R1 / GIGA R1 WiFi board.
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title: Getting Started with GIGA R1 WiFi
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description: A step-by-step guide to install the board package needed for the GIGA R1 WiFi board.
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author: Karl Söderby
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tags: [GIGA R1, GIGA R1 WiFi, Installation, IDE]
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tags: [GIGA R1 WiFi, Installation, IDE]
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To use the [Arduino GIGA R1](/hardware/giga-r1) / [Arduino GIGA R1 WiFi](/hardware/giga-r1-wifi)boards, you will need to install the GIGA board package, which is part of the [Arduino Core for mbed devices](https://github.com/arduino/ArduinoCore-mbed).
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To use the [Arduino GIGA R1WiFi](/hardware/giga-r1-wifi)board, you will need to install the GIGA board package, which is part of the [Arduino Core for mbed devices](https://github.com/arduino/ArduinoCore-mbed).
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To install it, you will need a version of the Arduino IDE, which you can download from the [Arduino Software page](). In this guide, we will use the latest version of the IDE (2.0.x).
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## Software & Hardware Needed
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-[Arduino GIGA R1](/giga-r1) or [Arduino GIGA R1 WiFi](/hardware/giga-r1-wifi)
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## Hardware & Software Needed
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You will need the following hardware:
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-[Arduino GIGA R1](/giga-r1) or [Arduino GIGA R1 WiFi](/hardware/giga-r1-wifi)
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To follow along with this guide, you will need an [Arduino GIGA R1 WiFi](/hardware/giga-r1-wifi)
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You will need the following software/tools installed:
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-[dfu-util](https://dfu-util.sourceforge.net/)\*
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Done parsing DfuSe file
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```
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**5.** Reset the board by clicking the reset button (just once). You should now be able to view the GIGA R1's mass storage in your file manager.
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**5.** Reset the board by clicking the reset button (just once). You should now be able to view and access some of the GIGA R1 boards onboard storage as a mass storage device in your file manager.
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## Pin Map
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In the table below, you will find the matching between the **STM32H7** and **Arduino**. When using MicroPython, you need to use the STM32H7 pins.
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In the table below, you will find the matching between the **STM32H7** and **Arduino**. When writing MicroPython code, you need to use the pin designations listen in the STM32H7 column.
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