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Small green circuit board with pre-soldered pin headers, USB-C port, and a tiny RGB LED

Arduino

Arduino ABX00143 Nano R4 with Headers development board

SKU CH-TR4F-NXES2

Compact development board with pre-soldered headers, Qwiic connector and programmable RGB LED for rapid prototyping and embedded projects

  • Powerful Renesas RA4M1 core with 256KB flash and 48MHz clock
  • Pre-soldered headers enable instant breadboard and Modulino connections
  • Qwiic connector plus 5V I²C port for rapid sensor expansion
  • Programmable RGB LED simplifies debugging and user feedback
  • Compact 4.3 × 1.7 cm footprint suits prototypes and custom PCBs

Compact IoT board for rapid prototyping

The Arduino Nano R4 with Headers packs the Renesas RA4M1 microcontroller into the classic Nano form factor. Pre-soldered headers allow immediate breadboard use without extra assembly. A Qwiic connector and 5 V I²C port simplify sensor expansion. The board targets students, designers and developers building compact embedded projects.

Steps up from basic 8-bit modules

The 48 MHz clock with 256 KB flash and 32 KB RAM handles advanced logic that smaller boards cannot. Projects needing more memory or faster timing benefit from the jump. Builders staying with simple blink or sensor-read tasks will not need the extra headroom.

Limited by single USB-C power and I²C bandwidth

The USB-C port supplies power and programming but adds no extra high-speed interfaces. I²C expansion shares one bus, so many high-rate sensors may contend for bandwidth. Castellated edges enable custom PCB embedding, yet the 4.3 × 1.7 cm footprint restricts onboard peripherals.

How it compares

Measured against everything we stock in Single-Board Computers & Dev Kits, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 93% of the 1,420 comparable items (median $44.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What are the exact board dimensions for enclosure clearance?

The board measures 4.3 × 1.7 cm with single-sided components and castellated edges for direct PCB embedding.

How do I connect it to the Arduino IDE without driver issues?

Plug the USB-C cable, select the correct port and board definition in Arduino IDE, then press the reset button if the bootloader does not enumerate automatically.

What is the expected lifespan of the onboard RGB LED under continuous use?

The programmable RGB LED is rated for standard indicator duty cycles; continuous full-brightness operation will degrade intensity over thousands of hours.

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