Nicla Voice

The Arduino® Nicla Voice packs speech and motion recognition capabilities on the edge into a tiny form factor. The board integrates a dedicated Neural Decision Processor NDP120 empowering multiple AI algorithms simultaneously. Leverage the built-in microphone, nRF52832 microcontroller, Bluetooth® Low Energy module, 6-axis IMU, and 3-axis magnetometer to create your wireless sensor network for machine learning applications with ultra low-power consumption capabilities.

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DATASHEET

Main Features

The Arduino® Nicla Voice implements always-on speech and motion recognition on the edge. The board integrates a Neural Decision Processor from Syntiant (NDP120), enabling it to run multiple AI algorithms. It also features a smart 6-axis motion sensor and a magnetometer, making it the ideal solution for ultra-low power predictive maintenance, gesture/voice recognition, and contactless applications. Following the Nicla family, it offers on-board Bluetooth® Low Energy connectivity and is compatible with Nicla, Portenta, and MKR products.

The Nicla Voice can also be battery-powered with long-lasting autonomy being perfect for autonomous power standalone applications.

Nicla Form Factor

The Arduino Nicla Voice is our smallest form factor yet.

Ultra-low power board

The Arduino Nicla Voice has been designed as an ultra-low power board, being the perfect solution for industrial and IoT battery-powered applications.

System-on-Chip

The Nicla Voice features an nRF52832, a general-purpose multiprotocol System-on-Chip (SoC) from Nordic® Semiconductor.

Datasheet

Neural Decision Processor

The Nicla Voice features an NDP120™, an ultra-low powered and special-purpose deep-learning processor suitable for battery-powered applications and devices created by Syntiant®.

Datasheet

Microphone

The Nicla Voice features an IM69D130, a high-performance digital MEMS microphone from Infineon®.

Datasheet

Inertial Measurement Unit

The Nicla Voice features a BMI270, a 6-axis ultra-low power Inertial Measurement Unit (IMU) optimized for wearables from Bosch®.

Datasheet

Magnetometer

The Nicla Voice features a BMM150, a low-power 3-axis digital geomagnetic sensor from Bosch®.

Datasheet

Bluetooth® Low Energy

The Nicla Voice features the ANNA-B112 Bluetooth® module. A Bluetooth® 5.0 Low Energy system-in-package (SIP) with the powerful nRF52832 SoC integrated.

Datasheet

Tech Specs

Here you will find the technical specifications for the Arduino® Nicla Voice.

Board	Name	Arduino® Nicla Voice
Board	SKU	ABX00061
Neural Decision Processor	Syntiant NDP120	Core	Syntiant Core 2™ ultra-low power deep neural network inference engine
		Audio	HiFi 3 Audio DSP
		MCU	Arm® Cortex® M0 core up to 48 MHz
Microcontroller	nRF52832 Arm® Cortex® M4 at 64MHz
USB connector	Micro USB (USB-B)
Pins	LED built-in	1 RGB LED (I2C)
	Digital I/O Pins	10 (of which 2 are shared with I2C and 4 are shared with SPI)
	Analog input pins	2 (both shared with PWM)
	PWM pins	12 (of which 2 are shared with analog, 2 are shared with I2C and 4 are shared with SPI)
	External interrupts	12
Connectivity	Bluetooth®	ANNA-B112 Bluetooth® module
Sensors	IMU	BMI270 (6-axis)
	Magnetometer	BMM150 (3-axis)
	Microphone	IM69D130
Communication	UART	Yes
	I2C	1
	SPI	1
Power	Microcontroller operating voltage	1.8V translated to 3.3V on external pins
	Board Power Supply (USB/VIN)	5V
	Supported battery	Li-ion/Li-Po Single Cell, 3.7V
	Battery connector	JST 3-pin 1.2 mm pitch
	DC Current per I/O pin	4.7 mA
Clock speed	Processor	64 MHz
Clock speed	RTC	On-board the ANNA-B112
Memory	nRF52832 System-on-chip	64kB SRAM, 512kB Flash
Memory	x1 AT25QL128A-UUE-T	16MB SPI Flash
Dimensions	Weight	2 g
	Width	22.86 mm (900mils)
	Length	22.86 mm (900mils)