Arduino MKR NB 1500

ArduinoSKU: ABX00019
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Implement inexpensive, large-coverage solutions over Narrowband IoT.

Add Narrowband communication to your project with the MKR NB 1500. It's the perfect choice for devices in remote locations without an Internet connection, or in situations in which power isn't available like on-field deployments, remote metering systems, solar-powered devices, or other extreme scenarios.

The board's main processor is a low power Arm® Cortex®-M0 32-bit SAMD21, like in the other boards within the Arduino MKR family. The Narrowband connectivity is performed with a module from u-blox, the SARA-R410M-02B, a low power chipset operating in the de different bands of the IoT LTE cellular range. On top of those, secure communication is ensured through the Microchip® ECC508 crypto chip. Besides that, the PCB includes a battery charger and a connector for an external antenna.

This board is designed for global use, providing connectivity on LTE's Cat M1/NB1 bands 1, 2, 3, 4, 5, 8, 12, 13, 18, 19, 20, 25, 26, 28. Operators offering service in that part of the spectrum include Vodafone, AT&T, T-Mobile USA, Telstra, and Verizon, among others.

Battery Power

Its USB port can be used to supply power (5V) to the board. It has a Li-Po charging circuit that allows the board to run on battery power or an external 5-volt source, charging the Li-Po battery while running on external power. Switching from one source to the other is done automatically.

Additional I2C Port

The MKR NB 1500 has an additional connector meant as an extension of the I2C bus. It's a small form factor 5-pin connector with 1.0 mm pitch. The mechanical details of the connector can be found in the connector's datasheet.

The I2C port, also referred to as the Eslov self-identification port within Arduino, comes with SDA, SCL, GND, +5V, and an extra digital pin meant to send an alarm to the otherwise plain I2C devices connected to it.

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. If you want to know more about Arduino’s MKRNB API, check this reference page.

Resources

Tech Specs

Microcontroller SAMD21 Cortex®-M0+ 32bit low power ARM MCU (datasheet)
Radio module u-blox SARA-R410M-02B (datasheet / summary)
Secure Element ATECC508 (datasheet)
Board Power Supply (USB/VIN) 5V
Supported Battery Li-Po Single Cell, 3.7V, 1500mAh Minimum
Circuit Operating Voltage 3.3V
Digital I/O Pins 8
PWM Pins 13 (0 .. 8, 10, 12, 18 / A3, 19 / A4)
UART 1
SPI 1
I2C 1
Analog Input Pins 7 (ADC 8/10/12 bit)
Analog Output Pins 1 (DAC 10 bit)
External Interrupts 8 (0, 1, 4, 5, 6, 7, 8, 16 / A1, 17 / A2)
DC Current per I/O Pin 7 mA
Flash Memory 256 KB (internal)
SRAM 32 KB
EEPROM no
Clock Speed 32.768 kHz (RTC), 48 MHz
LED_BUILTIN 6
Full-Speed USB Device and embedded Host
Antenna gain 2dB (bundled antenna at the Arduino Store)
Carrier frequency LTE bands 1, 2, 3, 4, 5, 8, 12, 13, 18, 19, 20, 25, 26, 28
Power class (radio) LTE Cat M1 / NB1: Class 3 (23 dBm)
Data Rate (LTE M1 Half-Duplex) UL 375 kbps / DL 300 kbps
Data Rate (LTE NB1 Full-Duplex) UL 62.5 kbps / DL 27.2 kbps
Working region Multiregion
Device Location GNSS via modem
Power Consumption (LTE M1) min 100 mA / max 190 mA
Power Consumption (LTE NB1) min 60 mA / max 140 mA
SIM Card MicroSIM (not included with the board)
Length 67.64 mm
Width 25 mm
Weight 32 gr.

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