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The Arduino Nano R4 (ABX00142) is equipped with a Renesas RA4M1 microcontroller with an Arm Cortex-M4 core and a Qwiic connector, providing extensive expansion options and full compatibility with popular Nano accessories. Designed for educational projects, prototyping IoT solutions, automation, measurement devices, and edge computing applications, the board enables easy integration of modern peripherals and rapid project implementation in the target environment. Arduino ABX00142
The Arduino Nano R4 board (ABX00142) is equipped with a modern Renesas RA4M1 microcontroller with an Arm Cortex-M4 core running at 48 MHz, providing advanced computing performance and extensive expansion options for electronics and robotics projects. Expanded memory – 256 KB Flash, 32 KB SRAM, and 8 KB EEPROM – enables the implementation of advanced applications with support for multiple libraries and the integration of extensive functions in a single project.
The system operates at 5V, ensuring full hardware compatibility with accessories based on this standard, as well as numerous shields and accessories designed for previous Nano generations. The modern USB-C port is used for power, programming, and serial communication, ensuring ease of use.

Arduino Nano R4 Pinout - Board Pinout
The Nano R4 board is equipped with a dedicated Qwiic I2C connector (3.3V), enabling quick connection of compatible modules and sensors, significantly accelerating prototyping and integration of new devices. Additional features include a built-in 12-bit DAC, an operational amplifier available on selected analog pins, and a real-time clock (RTC) with an external 16 MHz oscillator and battery backup (VBATT).
The board features 14 digital inputs/outputs (including 6 PWM), 8 analog inputs with 14-bit resolution, two I2C interfaces, one UART, and an SPI interface. The architecture supports systems-on-modules, digital signal processing, and edge computing applications. The Nano R4 is suitable for educational projects as well as professional embedded systems, automation, prototyping of measurement devices, controllers, and data loggers.
The offered board comes with goldpin connectors for self-soldering, allowing for both through-hole and surface-mount mounting.
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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                    The Arduino Nano R4 (ABX00142) is equipped with a Renesas RA4M1 microcontroller with an Arm Cortex-M4 core and a Qwiic connector, providing extensive expansion options and full compatibility with popular Nano accessories. Designed for educational projects, prototyping IoT solutions, automation, measurement devices, and edge computing applications, the board enables easy integration of modern peripherals and rapid project implementation in the target environment. Arduino ABX00142