Arduino MKR WAN 1310: Low Power LoRa Board for Secure IoT Projects

The Arduino MKR WAN 1310 offers a powerful and energy-efficient platform to bring LoRa connectivity into your projects. Designed to meet the demands of remote, battery-powered applications, this compact board is a practical and cost-effective solution for developers creating Internet of Things (IoT) systems that rely on long-range wireless communication with minimal energy consumption.

Overview: A Smarter Upgrade

Building upon the legacy of the MKR WAN 1300, the MKR WAN 1310 delivers several hardware and performance upgrades while maintaining compatibility with existing MKR family products. The board combines:

• The Microchip SAMD21 low-power 32-bit ARM Cortex -M0+ microcontroller
• The Murata CMWX1ZZABZ LoRa module
• The ATECC508 secure element for robust cryptographic storage
• A new 2MB SPI Flash for local storage
• An improved battery charger for extended autonomy
• Enhanced power management to drastically reduce energy usage

These refinements make the MKR WAN 1310 ideal for data logging, secure communication, and deployment in regions with restricted connectivity.

Key Features and Benefits

• Low Power Efficiency
  The MKR WAN 1310 is optimized for ultra-low power consumption. When configured properly, it can operate with power consumption as low as 104 A, making it ideal for long-term, battery-powered remote installations.
• Versatile Power Options
  Power the board via USB (5V) or rechargeable Li-Ion/Li-Po batteries (minimum 1024 mAh). The built-in battery charger enables reliable recharging through the USB port, giving flexibility for off-grid deployments.
• Secure Connectivity
  With the ATECC508 secure element, your board is equipped with secure cryptographic storage to protect sensitive credentials and certificates-essential for secure over-the-air communication.
• Expanded Local Storage
  The onboard 2MB SPI Flash memory opens up new possibilities such as:
  Over-the-air configuration updates
  Scripting command storage
  Data logging for environmental monitoring or industrial sensors
• LoRa Radio Support
  Featuring the CMWX1ZZABZ module, the board supports LoRa frequencies of 433/868/915 MHz, making it suitable for both EU and US regions (check local regulations for others). The included pentaband antenna provides 2dB gain, ensuring reliable long-range communication.

Technical Specifications

• Microcontroller: Microchip SAMD21 Cortex -M0+ (32-bit, low power)
• Radio Module: Murata CMWX1ZZABZ (LoRa )
• Operating Voltage: 3.3 V
• Power Supply (USB/VIN): 5 V
• Battery Compatibility: Rechargeable Li-Ion or Li-Po, min 1024 mAh
• Digital I/O Pins: 8
• PWM Pins: 13 (including analog pins A3 and A4)
• Analog Inputs: 7 (8/10/12-bit ADC)
• Analog Output: 1 (10-bit DAC)
• External Interrupts: 8
• UART: 1
• SPI: 1
• I2C: 1
• CPU Flash Memory: 256 KB
• External QSPI Flash: 2 MB
• SRAM: 32 KB
• Clock Speeds: 48 MHz CPU, 32.768 kHz RTC
• USB: Full-speed device with embedded host support
• Antenna Gain: 2 dB
• Carrier Frequencies: 433/868/915 MHz
• Secure Element: ATECC508
• Built-in LED: Pin 6
• Dimensions: 67.64 mm × 25 mm
• Weight: 32 grams

Ideal For

• Remote environmental monitoring
• Smart agriculture and irrigation systems
• Industrial IoT (IIoT) solutions
• Asset and livestock tracking
• Off-grid automation and sensing

Conclusion

The Arduino MKR WAN 1310 stands out as a robust, secure, and power-conscious solution for LoRa -based IoT development. With enhanced battery management, integrated storage, and strong encryption support, it's built for serious remote applications where reliability, efficiency, and long-range communication are crucial.

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