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add nano r4 structure
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‎content/hardware/03.nano/boards/nano-r4/compatibility.yml

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software:
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- arduino-ide
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- arduino-cli
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- cloud-editor
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- iot-cloud

‎content/hardware/03.nano/boards/nano-r4/essentials.md

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---
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productsLibrariesMap:
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- arduino:renesas_uno
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---
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<EssentialsColumn title="First Steps">
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<EssentialElement title="Quickstart Guide" type="getting-started" link="/tutorials/nano-r4/getting-started-nano-r4">
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All you need to know to get started with your new Arduino Nano R4 board.
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</EssentialElement>
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<EssentialElement title="Hardware Design Guide" type="tutorial" link="/learn/hardware/nano-pcb-guide">
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Learn how to create your own custom hardware that is compatible with the Arduino Nano Family.
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</EssentialElement>
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<EssentialElement title="Arduino Cloud" type="tutorial" link="/arduino-cloud/getting-started-with-the-arduino-iot-cloud">
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Get started with the Arduino Cloud and connect your Nano R4 to the web.
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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/03.nano/boards/nano-r4/features.md

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<FeatureDescription>
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The Arduino Nano R4 features the powerful Renesas RA4M1 microcontroller with a 32-bit Arm® Cortex®-M4 core running at 48 MHz. Its classic Nano form factor ensures compatibility with countless accessories, while modern features like USB-C®, CAN bus, and Qwiic I²C connector make it a versatile choice for embedded, automation, and prototyping projects.
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</FeatureDescription>
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<FeatureList>
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<Feature title="Qwiic I²C Connector" image="communication">
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Easily connect sensors and peripherals using the onboard Qwiic connector, which enables plug-and-play I²C communication at 3.3 V logic levels while interfacing with the 5 V system.
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</Feature>
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<Feature title="Arduino Cloud" image="wifi">
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The Nano R4 is compatible with the Arduino Cloud platform, allowing you to rapidly prototype and deploy your connected applications.
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<FeatureWrapper>
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<FeatureLink title="Go to Platform" url="https://app.arduino.cc/"/>
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</FeatureWrapper>
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</Feature>
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<Feature title="Built-in DAC & OPAMP" image="mcu">
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With a 12-bit DAC on A0 and an integrated operational amplifier, the Nano R4 enables analog signal generation and advanced signal conditioning right out of the box.
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</Feature>
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<Feature title="USB-C®" image="usb">
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The first Nano board to feature a USB-C® connector for streamlined power and data transfer.
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</Feature>
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<Feature title="CAN Bus Support" image="communication">
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The Nano R4 includes support for CAN communication (with external transceiver), making it suitable for industrial and automotive applications.
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</Feature>
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<Feature title="Real-Time Clock (RTC)" image="clock">
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The built-in RTC and 16 MHz external crystal ensure accurate timekeeping — ideal for data logging and scheduled task applications.
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</Feature>
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<Feature title="5 V Operating Voltage" image="power">
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Fully 5 V compatible on all GPIOs, making it easy to use with existing Arduino shields and 5 V peripherals without level shifting.
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</Feature>
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</FeatureList>

‎content/hardware/03.nano/boards/nano-r4/image.svg

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‎content/hardware/03.nano/boards/nano-r4/product.md

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---
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title: Nano R4
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url_shop: https://store.arduino.cc/products/nano-r4
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url_guide: /tutorials/nano-r4/getting-started-nano-r4
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primary_button_url: /tutorials/nano-r4/getting-started-nano-r4
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primary_button_title: Get Started
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core:
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certifications: []
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forumCategorySlug: '/hardware/nano-family/nano-r4/190'
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sku: [ABX00142]
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---
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The **Arduino Nano R4** brings the power of a 32-bit **Arm® Cortex®-M4** processor to the beloved Nano form factor. Based on the **Renesas RA4M1** microcontroller, it features **256 kB Flash**, **32 kB SRAM**, and an **8 kB EEPROM**, all running at **48 MHz** with a built-in **real-time clock**, **14-bit ADC**, and **12-bit DAC**.
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With a **USB-C® connector**, support for **CAN bus**, and both 5 V and 3.3 V I2C connectivity (thanks to the onboard Qwiic connector), the Nano R4 is ideal for modern embedded applications, edge computing, and seamless integration with Arduino’s Modulino ecosystem.
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Perfect for both beginners and advanced users, the Nano R4 is fully compatible with the **Arduino IDE** and **Arduino Cloud** to accelerate development and deployment.

‎content/hardware/03.nano/boards/nano-r4/suggestions.md

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<EssentialsColumn title="Tutorials for Nano R4">
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<EssentialElement title="User Manual" type="tutorial" link="/tutorials/nano-r4/cheat-sheet">
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A technical reference to the Nano R4 board.
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</EssentialElement>
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<EssentialElement title="Arduino Cloud" type="tutorial" link="/arduino-cloud/getting-started-with-the-arduino-iot-cloud">
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Get started with the Arduino Cloud
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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/03.nano/boards/nano-r4/tech-specs.md

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Here you will find the technical specifications for the Arduino® Nano R4.
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**Please read: operating voltage**
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The microcontroller on the **Arduino Nano R4** operates at 5 V, making it fully compatible with traditional Arduino shields, modules, and accessories designed for 5 V logic levels. This allows seamless reuse of existing components and simplifies interfacing with a wide variety of 5 V sensors and actuators.
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Unlike boards based on 3.3 V logic (such as the Nano ESP32), the Nano R4 does not require logic level shifting when connecting to most classic Arduino components.
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The board supports multiple power input options:
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The VIN pin accepts an input voltage range of 6–21 V, regulated down to 5 V internally.
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The board can also be powered directly via the USB-C® port, which supplies 5 V to the system.
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All GPIO pins operate at 5 V and can source or sink up to 8 mA of current per pin.
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Always verify the voltage requirements of any connected peripheral, and avoid drawing more current than the board’s limits to prevent instability or damage.

‎content/hardware/03.nano/boards/nano-r4/tech-specs.yml

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Board:
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Name: Arduino® Nano R4
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SKU: ABX00142
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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: 21 - All exposed I/O can be used as digital
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Analog input pins: 8
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DAC: 1
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PWM pins: 6
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External interrupts: 2,3
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Communication:
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UART: Yes, 1x
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I2C: Yes, 2x
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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 operating voltage: 5 V
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Input voltage (VIN): 6-21 V
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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: 256 kB Flash, 32 kB RAM, 8 kB EEPROM
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Dimensions:
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Width: 18 mm
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Length: 45 mm

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