Arduino NANO R4 with Renesas RA4M, USB-C and Qwiic

Nano R4 combines a small footprint, real processing power and ease of use, taking you quickly from prototype to professional production-ready solutions.
Arduino NANO R4 with Renesas RA4M, USB-C and Qwiic - Image 1
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Arduino NANO R4 with Renesas RA4M, USB-C and Qwiic - Image 5

SKU 7300-ARDNANOR4EAN 8058333490090Item type: Assembled, Board

Description

brings together the ease of use Arduino is known for and the powerful Renesas RA4M1 microcontroller, for a smooth move from prototyping on the UNO R4 to production-ready applications.

Compact and versatile, the Nano R4 keeps the same pinout as the rest of the Nano family and adds castellated side holes for easy hardware integration, a built-in Qwiic connector for quickly adding sensors and peripherals, and a programmable RGB LED for at-a-glance system feedback.

Its single-sided component layout makes it ideal for products with tight space constraints and for SMD soldering onto custom carrier boards, for a fast move from bench testing to real-world deployment.

Thanks to its compatibility with the best-known Arduino tools and libraries (including those for the Arduino UNO R4 Minima), the Nano R4 gives developers and designers a straightforward path to compact, connected, production-ready solutions.

The Arduino NANO R4 board is supplied with header strips that you can solder on to suit your own design requirements.
Key benefits
  • Easy move from prototype to production: it uses the RA4M1 microcontroller already proven in the UNO R4 family, with minimal code changes.
  • Compact, production-ready design: small 4.3 x 1.7 cm footprint, castellated side holes and components on one side only for easy integration into custom hardware.
  • Easy expansion: the built-in Qwiic connector and the extra 5V I2C port let you connect sensors and actuators without fuss, Modulino nodes included.
  • Customisable feedback: use the programmable RGB LED to show system status, making debugging easier and improving interaction with the user.
  • Flexibility: take advantage of the Arduino ecosystem, its straightforward development environment and its solid support community.
Example applications
  • Embedded industrial systems: its compact, production-ready design makes the Nano R4 ideal for embedded industrial solutions where space is tight but reliability matters most.
  • Home automation: with sensors and actuators easy to integrate, the Nano R4 lets you quickly develop connected, intelligent products that make everyday life simpler.
  • Production-ready prototypes: thanks to the RA4M1 microcontroller already used in the UNO R4 family, the Nano R4 lets you build advanced prototypes and turn them into compact, production-ready projects with minimal changes.
  • Robotics and compact automation: its small footprint and solid connectivity options make it perfect for miniature robots, autonomous devices and automated industrial systems that need reliable, flexible control.
  • Custom hardware platforms: for designers who want to tailor the hardware without starting from scratch, the castellated side holes make it simple to integrate onto custom PCBs for specialised industrial, commercial or consumer products.
Technical specifications
  • Operating voltage: +5 VDC
  • Input voltage (VIN): +6-21 VDC
  • DC current per I/O pin: 8 mA
  • Clock Speed: 48 MHz
  • Flash memory: 256 kB
  • RAM: 32 kB
  • EEPROM: 8 kB
  • Dimensions: 18 mm (width) x 45 mm (length)
Arduino NANO R4 pinout
Arduino Nano R4 - Compact development board with Renesas RA4M1 microcontroller, USB-C and Qwiic connector
Documentation and useful links

Technical details

Microcontroller Renesas RA4M1 (Arm® Cortex®-M4)
USB USB-C® Programming Port
Digital I/O Pins 21 (every exposed pin can be used as digital I/O)
Analog Input Pins 8
DAC 1 (A0)
PWM Pins 6
External Interrupts 2, 3
OpAmp A1, A2, A3
VRTC J5
UART 1
I2C 2 (5V: A4
A5 / 3.3V Qwiic, J3, J4)
SPI 1
CAN 1

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