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Adds a UNO R4 WiFi launch branch and a VERY WIP cheat sheet
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‎content/hardware/02.hero/boards/uno-r4-wifi/compatibility.yml

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software:
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- arduino-ide
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- arduino-cli
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- web-editor
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hardware:
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boards: ~
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carriers: ~
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shields:
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- 4-relays-shield
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- motor-shield-rev3
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- ethernet-shield-rev2
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- 9-axis-motion-shield

‎content/hardware/02.hero/boards/uno-r4-wifi/datasheet/datasheet.md

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‎content/hardware/02.hero/boards/uno-r4-wifi/essentials.md

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<EssentialsColumn title="First Steps">
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<EssentialElement title="Quickstart Guide" type="getting-started" link="https://www.arduino.cc/en/Guide/ArduinoUno">
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All you need to know to get started with your new Arduino board.
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</EssentialElement>
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</EssentialsColumn>
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<EssentialsColumn title="Suggested Libraries">
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<EssentialElement title="Wire" type="library" link="https://www.arduino.cc/en/reference/wire">
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This library allows you to communicate with I2C / TWI devices.
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</EssentialElement>
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<EssentialElement title="SPI" type="library" link="https://www.arduino.cc/en/reference/SPI">
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The SPI library allows you to communicate with SPI devices, with the Arduino as the controller device.
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</EssentialElement>
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<EssentialElement title="Servo" type="library" link="https://www.arduino.cc/reference/en/libraries/servo/">
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The Servo library allows an Arduino board to control RC (hobby) servo motors.
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</EssentialElement>
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</EssentialsColumn>
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<EssentialsColumn title="Arduino Basics">
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<EssentialElement title="Built-in Examples" type="tutorial" link="/built-in-examples/">
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Built-in Examples are sketches included in the Arduino IDE and demonstrate all basic Arduino commands.
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</EssentialElement>
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<EssentialElement title="Learn" type="resource" link="/learn/">
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Discover interesting articles, principles and techniques related to the Arduino ecosystem.
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</EssentialElement>
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<EssentialElement title="Language References" type="resource" link="https://www.arduino.cc/reference/en/">
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Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.
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</EssentialElement>
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</EssentialsColumn>

‎content/hardware/02.hero/boards/uno-r4-wifi/features.md

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<FeatureDescription>
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The Arduino UNO R4 WiFi is a 32-bit development board based on the high performance Renesas RA4M1 (Arm Cortex®-M4). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a clock speed of 48 MHz, a USB-C® connection, as well as pins featuring SPI, I2C and one CAN bus.
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The UNO R4 WiFi features a total of 32 KB of SRAM and an additional 256 KB of flash memory. It also has a DAC pin which can be used to create more complex sound outputs and being part of the UNO family it comes with the perks of having a wide range of compatibilities regarding shields and libraries.
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On top of all of this it comes fitted with a secondary microcontroller, the ESP32-S3, that gives the board WiFi and Bluetooth™️ functionality, and an 8x12 programmable LED matrix to display anything you want.
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</FeatureDescription>
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<FeatureList>
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<Feature title="Cheat Sheet" image="mega-form-factor">
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A reference to all technical features on this board, with pointers to additional documents.
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<FeatureLink title="Cheat Sheet" url="/tutorials/uno-r4-wifi/cheat-sheet"/>
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</Feature>
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<Feature title="Advanced ADC/DAC" image="microphone">
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Learn more about the ADC/DAC features of the GIGA R1 WiFi board, and discover examples for Audio projects.
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<FeatureLink title="ADC/DAC Guide" url="/tutorials/giga-r1-wifi/giga-audio"/>
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</Feature>
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<Feature title="USB" image="usb">
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This board has USB-C® for power/programming/communication line, and a USB-A for connecting USB devices (keyboards, mass storage).
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<FeatureLink title="USB Guide" url="/tutorials/giga-r1-wifi/giga-usb"/>
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</Feature>
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</FeatureList>

‎content/hardware/02.hero/boards/uno-r4-wifi/image.svg

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‎content/hardware/02.hero/boards/uno-r4-wifi/product.md

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---
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title: UNO R4 WiFi
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url_shop: https://store.arduino.cc/arduino-uno-r4-wifi
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url_guide: /tutorials/uno-r4/uno-r4-getting-started
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core: arduino:renesas
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---
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The Arduino UNO is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with. The UNO is the most used and documented board of the whole Arduino family.

‎content/hardware/02.hero/boards/uno-r4-wifi/suggestions.md

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‎content/hardware/02.hero/boards/uno-r4-wifi/tech-specs.md

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Here you will find the technical specifications for the Arduino® UNO R4 WiFi.

‎content/hardware/02.hero/boards/uno-r4-wifi/tech-specs.yml

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Board:
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Name: Arduino® UNO R4 WiFi
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SKU: ABX00080
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Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4)
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USB:
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USB-C: Programming Port
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Pins:
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Digital I/O Pins: 14
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Analog input pins: 6
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DAC: 1
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PWM pins: 6
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Communication:
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UART: Yes, 4x
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I2C: Yes, 1x
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SPI: Yes, 1x
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CAN: Yes 1 CAN Bus
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Power:
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Circuit opera ting voltage: 5V
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Input voltage (VIN): 6-24V
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DC Current per I/O Pin: 8 mA
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Clock speed:
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Main core: 48 MHz
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Memory:
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RA4M1: 256kB Flash, 32kB RAM
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Dimensions:
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Width: 68.85 mm
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Length: 53.34 mm

‎content/hardware/02.hero/boards/uno-r4-wifi/tutorials/cheat-sheet/cheat-sheet.md

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---
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title: 'Arduino UNO R4 WiFi Cheat Sheet'
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description: 'Learn how to set up the Arduino UNO R4 WiFi, the '
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tags:
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- Installation
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- I2C
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- SPI
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- UART
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- WiFi
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- Bluetooth
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-
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author: 'Jacob Hylén'
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hardware:
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- hardware/02.hero/boards/uno-r4-wifi
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software:
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- ide-v1
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- ide-v2
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- web-editor
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---
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The **Arduino UNO** is our most popular and important line of development boards, and has become a staple in the maker community and education since its release. The **Arduino UNO R4 WiFi** is a new flavour of UNO, and in this cheat sheet you will a collection of links to resources and guides to let you take advantage of all the improvements from the previous revisions of this board. The **UNO R4 WiFi** comes with a large 12x8 LED Matrix that you can create animations and simple graphics with, as well as an onboard ESP32-S3 module giving the board WiFi and Bluetooth functionality.
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The ESP32 module and the Renesas RA4M1-chip are part of a sophisticated USB-Serial system that is highly flexible and adaptible to allow for HID features while still keeping the ability to program both the main MCU, and the ESP32, if you so wish.
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You can also visit the documentation platform for the [Arduino UNO R4 WiFi](/hardware/uno-r4-wifi)
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## Datasheet
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The full datasheet is available as a downloadable PDF from the link below:
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- [Download the UNO R4 WiFi datasheet](/resources/datasheets/ABX00087-datasheet.pdf)
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## Arduino IoT Cloud
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The GIGA R1 WiFi is compatible with the [Arduino IoT Cloud](https://create.arduino.cc/iot/things), a cloud service that allows you to create IoT applications in just minutes.
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***Visit the [Getting Started with Arduino IoT Cloud](/arduino-cloud/getting-started/iot-cloud-getting-started) guide for more information.***

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