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Arduino Nano 33 BLE Sense with headers

Code: 7630049201576
Arduino Nano 33 BLE Sense with headers
$31.50
tax not included

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Getting Started

Bring the power of AI to your pocket with Arduino’s tiniest form factor.

  • Overview
  • Tech Specs
  • Documentation
  • FAQ
  • The Nano 33 BLE Sense (with headers) is Arduino’s 3.3V AI enabled board in the smallest available form factor: 45x18mm!

    The Arduino Nano 33 BLE Sense is a completely new board on a well-known form factor. It comes with a series of embedded sensors:

    • 9 axis inertial sensor: what makes this board ideal for wearable devices
    • humidity, and temperature sensor: to get highly accurate measurements of the environmental conditions
    • barometric sensor: you could make a simple weather station
    • microphone: to capture and analyse sound in real time
    • gesture, proximity, light color and light intensity sensor : estimate the room’s luminosity, but also whether someone is moving close to the board

    The Arduino Nano 33 BLE Sense is an evolution of the traditional Arduino Nano, but featuring a lot more powerful processor, the nRF52840 from Nordic Semiconductors, a 32-bit ARM® Cortex™-M4 CPU running at 64 MHz. This will allow you to make larger programs than with the Arduino Uno (it has 1MB of program memory, 32 times bigger), and with a lot more variables (the RAM is 128 times bigger). The main processor includes other amazing features like Bluetooth pairing via NFC and ultra low power consumption modes.

    Embedded Artificial Intelligence

    The main feature of this board, besides the impressive selection of sensors, is the possibility of running Edge Computing applications (AI) on it using TinyML. You can create your machine learning models using TensorFlow Lite and upload them to your board using the Arduino IDE.

    Arduino’s developer Sandeep Mistry and Arduino’s advisor Dominic Pajak have prepared an introductory tutorial to AI on the Nano 33 BLE Sense, but also a more advanced guide on color detection.

    An Improved Arduino Nano

    If you used Arduino Nano in your projects in the past, the Nano 33 BLE Sense is a pin-equivalent substitute. Your code will still work, but remember, it operates at 3.3V. This means that you need to revise your original design in case it is not 3.3V compatible. Besides that, the main differences to the classic Nano are: a better processor, a micro-USB connector, and all of the sensors mentioned above.

    You can get the board with or without headers, what will allow you embedding the Nano inside any kind of inventions, including wearables. The board comes with tessellated connectors and no components on the B-side. These features allow you to solder the board directly onto your own design, minimizing the height of your whole prototype.

    Oh, and did we mention the improved price? Thanks to a revised manufacturing process, the Arduino Nano 33 BLE Sense is really cost efficient … what are you waiting for? Upgrade now!

    Getting Started

    The Getting Started section contains all the information you need to configure your board, use the Arduino Software (IDE), and start tinkering with coding and electronics.

    Need Help?

    Check the Arduino Forum for questions about the Arduino Language, or how to make your own Projects with Arduino. Need any help with your Nano Every board please get in touch with the official Arduino User Support as explained in our Contact Us page.

    Warranty

    You can find here your board warranty information.

  • The Arduino Nano 33 BLE Sense is based on the nRF52840 microcontroller.

    MicrocontrollernRF52840 (datasheet)
    Operating Voltage3.3V
    Input Voltage (limit)21V
    DC Current per I/O Pin15 mA
    Clock Speed64MHz
    CPU Flash Memory1MB (nRF52840)
    SRAM256KB (nRF52840)
    EEPROMnone
    Digital Input / Output Pins13
    PWM Pinsall digital pins
    UART1
    SPI1
    I2C1
    Analog Input Pins8 (ADC 12 bit 200 ksamples)
    Analog Output PinsOnly through PWM (no DAC)
    External Interruptsall digital pins
    LED_BUILTIN13
    USBNative in the nRF52840 Processor
    IMULSM9DS1 (datasheet)
    MicrophoneMP34DT05 (datasheet)
    Gesture, light, proximity APDS9960 (datasheet)
    Barometric pressureLPS22HB (datasheet)
    Temperature, humidity HTS221 (datasheet)
    Length45 mm
    Width18 mm
    Weight5 gr (with headers)
  • OSH: Schematics

    The Arduino Nano 33 BLE Sense is open-source hardware! You can build your own board using the following files:

    EAGLE FILES IN .ZIP SCHEMATICS IN .PDF  

    Pinout Diagram

    Download the full pinout diagram as PDF here.

  • Batteries, Pins and board LEDs

    • Batteries: the Nano 33 BLE Sense has no battery connector, nor charger. You can connect any external battery of your liking as long as you respect the voltage limits of the board.
    • Vin: This pin can be used to power the board with a DC voltage source. If the power is fed through this pin, the USB power source is disconnected. This pin is an INPUT. Respect the voltage limits to assure the proper functionality of the board.
    • 5V: This pin outputs 5V from the board when powered from the USB connector or from the VIN pin of the board. Note: for it to work, you need to short the VBUS jumper on the back of the board.
    • 3.3V: This pin outputs 3.3V through the on-board voltage regulator. Note: for ultra low-power functionality, you should cut the 3V3 jumper on the back of the board, and use an external battery at 3V3.
    • LED ON: This LED is connected to the 5V input from either USB or VIN.
    • I2C pins: As opposed to other Arduino Nano boards, pins A4 and A5 have an internal pull up and default to be used as an I2C Bus so usage as analog inputs is not recommended.
    • NFC: There is the possibility of attaching an external NFC antenna between pins D7 and D8 to activate Bluetooth pairing of the board over NFC.