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Arduino Nano 33 BLE Sense

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SKU ABX00031 Barcode 7630049201507 Show more
Original price €43,15 - Original price €43,15
Original price
€43,15
€43,15 - €43,15
Current price €43,15
VAT included

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

Overview

Check the new version of the Arduino Nano 33 BLE Sense: Arduino Nano 33 BLE Sense Rev2 and Arduino Nano 33 BLE Sense Rev2 with headers
 

The Nano 33 BLE Sense (without 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

 

Arduino NANO 33 BLE Sense Sensors

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!

Bluetooth® and Bluetooth® Low Energy

The communications chipset on the Nano 33 BLE Sense can be both a Bluetooth® Low Energy and Bluetooth® client and host device. Something pretty unique in the world of microcontroller platforms. If you want to see how easy it is to create a Bluetooth® central or a peripheral device, explore the examples at our ArduinoBLE library.

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 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.


Tech specs

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

Microcontroller nRF52840 (datasheet)
Operating Voltage 3.3V
Input Voltage (limit) 21V
DC Current per I/O Pin 15 mA
Clock Speed 64MHz
CPU Flash Memory 1MB (nRF52840)
SRAM 256KB (nRF52840)
EEPROM none
Digital Input / Output Pins 14
PWM Pins all digital pins
UART 1
SPI 1
I2C 1
Analog Input Pins 8 (ADC 12 bit 200 ksamples)
Analog Output Pins Only through PWM (no DAC)
External Interrupts all digital pins
LED_BUILTIN 13
USB Native in the nRF52840 Processor
IMU LSM9DS1 (datasheet)
Microphone MP34DT05 (datasheet)
Gesture, light, proximity APDS9960 (datasheet)
Barometric pressure LPS22HB (datasheet)
Temperature, humidity HTS221 (datasheet)
Length 45 mm
Width 18 mm
Weight 5 gr (with headers)

Conformities

The following Declarations of Conformities have been granted for this board:
ISED/IC
RCM
RoHS
CE
FCC
UKCA
REACH
WEEE
For any further information about our certifications please visit docs.arduino.cc/certifications

Documentation

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 FRITZING IN .FZPZ DATASHEET IN .PDF

 

Pinout Diagram

Download the full pinout diagram as PDF here.

Get Inspired

FAQs

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 emulate an NFC tag.
  • The HTS221 humidity and temperature sensor: Due to self-heating, when the board is powered by USB, the HTS221 becomes unreliable and shows an offset in each reading that changes with the external temperature. To obtain reliable measurements, the board shall be powered by the 3v3 pin, this could be done by cutting the +3V3 solder jumper on the bottom and powering the board through the VIN pin.

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