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Designed for short range BT interactions and power savvy projects.

This compact and reliable NANO board is built around the NINA B306 module, based on Nordic nRF 52840 and containing a powerful Cortex M4F.
Its architecture, fully compatible with Arduino IDE Online and Offline, has a 9 axis Inertial Measurement Unit (IMU) and a reduced power consumption compared to other same size boards.
This allows the design of wearable devices and movement sensing projects that need to communicate to other devices at a close range. Arduino NANO 33 BLE is also ideal for automation projects thanks to the multiprotocol BT 5.0 radio.

Dimensions: 45x18mm

Specifications

This board is based on the nRF 52840 microcontroller.

Clock 64MHz
Flash 1MB
RAM 256KB

Please note: Arduino Nano 33 BLE only supports 3.3V I/Os and is NOT 5V tolerant so please make sure you are not directly connecting 5V signals to this board or it will be damaged. Also, as opposed to Arduino Nano boards that support 5V operation, the 5V pin does NOT supply voltage but is rather connected, through a jumper, to the USB power input.

The Bluetooth is managed by a NINA B306 module.

The IMU is a LSM9DS1 and it is managed through I2C.

The board has a two 15 pins connectors - one on each side -,  pin to pin compatible with the original Arduino Nano.

Pin Funcion Type Description
1 D13 Digital GPIO
2 +3V3 Power Out Internally generated power output to external devices
3 AREF Analog Analog Reference; can be used as GPIO
4 A0/DAC0 Analog ADC in/DAC out; can be used as GPIO
5 A1 Analog ADC in; can be used as GPIO
6 A2 Analog ADC in; can be used as GPIO
7 A3 Analog ADC in; can be used as GPIO
8 A4/SDA Analog ADC in; I2C SDA; Can be used as GPIO (*)
9 A5/SCL Analog ADC in; I2C SCL; Can be used as GPIO(*)
10 A6 Analog ADC in; can be used as GPIO
11 A7 Analog ADC in; can be used as GPIO
12 VUSB  Power In/Out Normally NC; can be connected to VUSB pin of the USB connector by shorting a jumper
13 RST Digital In Active low reset input (duplicate of pin 18)
14 GND Power Power Ground
15 VIN Power In Vin Power input
16 TX Digital USART TX; can be used as GPIO
17 RX Digital USART RX; can be used as GPIO
18 RST Digital Active low reset input (duplicate of pin 13)
19 GND Power Power Ground
20 D2 Digital GPIO
21 D3/PWM Digital GPIO; can be used as PWM
22 D4 Digital GPIO
23 D5/PWM Digital GPIO; can be used as PWM
24 D6/PWM Digital GPIO; can be used as PWM
25 D7 Digital GPIO
26 D8 Digital GPIO
27 D9/PWM Digital GPIO; can be used as PWM
28 D10/PWM Digital GPIO; can be used as PWM
29 D11/MOSI Digital SPI MOSI; can be used as GPIO
30 D12/MISO Digital SPI MISO; can be used as GPIO

(*) 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. posed to Arduino Nano boards that support 5V operation, the 5V pin does NOT supply voltage but is rather connected, through a jumper, to the USB power input.

On the bottom side of the board, under the communication module, debug signals are arranged as 3x2 test pads with 100 mil pitch. Pin 1 is the bottom left one with the USB connector on the left and the test pads on the right.

Pin Function Type Description
1 +3V3 Power Out Internally generated power output to be used as voltage reference
2 SWD Digital nRF52480 Single Wire Debug Data
3 SWCLK Digital In nRF52480 Single Wire Debug Clock
5 GND Power Power Ground
6 RST Digital In Active low reset input

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