New Arduino Nano R4: Prototyping to Production-ready Applications
Arduino Nano R4 (based on Renesas RA4M1 microcontroller) is designed to offer greater flexibility, the castellated holes (or plated half-holes) along the PCB edges allow for direct soldering onto the host board without additional connectors, making the NANO R4 ideal for compact projects and high-density designs. Alternatively, for those who prefer a modular approach, the included headers can be soldered on, ensuring compatibility with previous versions of Arduino Nano.
More details: https://store.arduino.cc/products/nano-r4
Arduino Official Store
Arduino® Nano R4
Compact Arduino Nano R4 with RA4M1 MCU, Qwiic connector & RGB LED—ideal for scaling from prototyping to production on custom or space-constrained boards.
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