Arduino Nano 33 BLE Sense Rev2 Development Board – Bluetooth 5

The Arduino Nano 33 BLE Sense is an advanced upgrade to the classic Nano lineup, built around a modern low-power processor with integrated Bluetooth connectivity and onboard sensing. It supports Edge Computing through TinyML and TensorFlow Lite, enabling machine-learning models to run directly on the device without external hardware. Its compact Nano form factor, together with full compatibility with the Arduino IDE and specialized libraries, provides a reliable platform for wearable systems, gesture-controlled projects, and short-range interactive automation.

• ARM Cortex-M4 Microcontroller optimized for embedded processing
• Bluetooth 5 Connectivity for reliable short-range communication
• Integrated 9-Axis IMU for motion and orientation sensing
• Environmental Sensor Suite for temperature, humidity, and pressure data
• Ambient Light and Gesture Sensor enabling proximity and color detection
• Digital MEMS Microphone for sound and voice-triggered applications
• 3.3 V Logic Operation suitable for wearable and low-power systems
• Compatible with Arduino IDE for seamless development and deployment
• Multi-Protocol Radio Support through Bluetooth Low Energy features
• Rich I/O Interfaces including SPI, I²C, UART, PWM, and ADC pins
• Onboard Power Regulation Circuit enabling stable 3.3 V operation
• Low-Power Operating Modes suitable for battery-driven applications
• Compact Nano Form Factor for embedded and wearable integration
• Dedicated Sensor Libraries supported within the Arduino ecosystem
• Local Machine Learning Support through TinyML and TensorFlow Lite

• Microcontroller: nRF52840, ARM Cortex-M4F, 32-bit, 64 MHz
• Operating Voltage: 3.3 V
• I/O Logic Level: 3.3 V (not 5 V tolerant)
• Flash Memory: 1 MB
• SRAM: 256 KB
• Digital I/O Pins: 14
• Analog Input Pins (ADC): 8 (12-bit resolution)
• PWM Capable Pins: All digital I/O pins
• Communication Interfaces: 1 × UART, 1 × SPI, 1 × I²C
• USB Interface: Micro-USB with native support via nRF52840
• Max DC Current per I/O Pin: 15 mA
• Dimensions: 45 × 18 mm
• On-Board Sensors: 9-axis IMU, barometric pressure sensor, temperature & humidity sensor, ambient light/color/proximity/gesture sensor, digital MEMS microphone
• Supported Platform: Arduino IDE (online and offline)

• Arduino Nano 33 BLE Sense Rev2 Development Board 3D Model
• Arduino Nano 33 BLE Enclosure
• "nRF52840" microcontroller Datasheet 

• Machine Learning on Arduino BLE Sense
• Arduino Nano 33 BLE Sense - Setup, Demo and Explanation (Libraries Installation)