Introducing Arduino Nano 33 BLE Rev2: Enhanced Hardware and Performance Upgrades

18 March, 2024

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The Arduino Nano 33 BLE Rev2 is an updated version of the popular Arduino Nano 33 BLE board. It has several improvements, including dual-IMU (Inertial Measurement Unit) support for better motion sensing, an upgraded power supply for improved performance, and other enhancements. Despite these upgrades, it maintains the same size and shape as the original Nano 33 BLE, making it an easy and seamless upgrade for users familiar with the older version.

The Arduino team praises the Nano 33 BLE for being highly popular and versatile. They highlight its compact size, compatibility with 3.3V systems, built-in nine-axis IMU (Inertial Measurement Unit) for motion sensing, powerful processor, Bluetooth Low Energy module for wireless communication, internal antenna for data transmission using ArduinoBLE library, and compatibility with MicroPython programming.

“These updates collectively contribute to a more streamlined and robust device, ready for you to test and build just about any IoT [Internet of Things] project – and more,” the Arduino team claims.

The Arduino Nano 33 BLE Rev2 maintains the same size as the original version, but some hardware changes may require sketch adjustments. The major change is the use of two separate inertial measurement units (IMUs) instead of a single nine-axis unit. The new IMUs include the Bosch Sensortec BMI270 six-axis IMU and BMM150 three-axis magnetometer.

The power circuitry has also been upgraded to the Monolithic Power MP2322 step-down converter, promising improved performance. The board also features a VUSB solder jumper for enabling the VUSB pin, along with new pads and test points for accessing USB, SWDIO, and SWCLCK signals.

However, the board’s processor remains unchanged: the Nordic Semiconductor nRF52840, which offers a 32-bit Arm Cortex-M4 core running at up to 64MHz, 256kB of static RAM (SRAM), and 1MB of flash storage. These specifications ensure powerful processing capabilities for various applications.

The board retains the footprint of the original, though now includes pads for USB, SWDIO, and SWCLCK signals. (📷: Arduino) — The board retains the footprint of the original, though now includes pads for USB, SWDIO, and SWCLCK signals.

The Arduino Nano 33 BLE Rev2 is now available to order on the Arduino store priced at $24.17 — or $26.92 to have the bundled pin headers pre-soldered.

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