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Getting Started with FoBE Core nRF52840 Mesh

 FoBE Core nRF52840 Mesh Main

Introduction

The FoBE Core nRF52840 Mesh is a powerful and versatile LoRa/LoRaWAN module designed for a wide range of IoT applications. It combines the Nordic Semiconductor nRF52840 microcontroller with the Semtech SX1262 LoRa transceiver, offering excellent performance, long-range communication, and ultra-low power consumption. All pins are brought out as 90 pads (including GND).

Applications

  • IoT Devices: Ideal for creating various IoT devices with LoRa/LoRaWAN connectivity.
  • Smart Agriculture: Deploy in agricultural settings for sensor data transmission and remote control.
  • Smart Cities: Enable smart city applications such as environmental monitoring and smart street lighting.
  • Asset Tracking: Track valuable assets with long-range LoRa communication.
  • Custom Wireless Solutions: Build custom wireless solutions with flexible I/O and communication protocols.

Key Features

  • Microcontroller

    • Nordic Semiconductor nRF52840
    • ARM Cortex-M4F processor
    • 64 MHz clock frequency
    • 1 MB Flash, 256 KB RAM
  • LoRa Transceiver

    • Semtech SX1262
    • LoRa/LoRaWAN protocol support
    • Frequency bands: 863-870 MHz (EU868), 902-928 MHz (US915), and others
    • Maximum output power: +22 dBm
  • Connectivity

    • All nRF52840 pins available as 90 pads (including GND) for flexible connectivity.
    • Onboard UF.L antenna connector for LoRa
    • Onboard UF.L antenna connector for Bluetooth
  • Other

    • Ultra-low power consumption for extended battery life

Hardware diagram

The following figure illustrates the FoBE Core nRF52840 Mesh hardware diagram.


 FoBE Core nRF52840 Mesh Hardware Diagram

Mechanical dimensions

FoBE Core nRF52840 Mesh is a single-sided 15.24mm x 25.4mm 1.6mm thick PCB with 90 pads (including GND).


 FoBE Core nRF52840 Mesh Mechanical Dimensions

Pinout

All nRF52840 pins are available as 90 pads (including GND) on the module. Please refer to the nRF52840 datasheet for detailed pin descriptions and functionalities.

Resources

[PDF] FoBE Core nRF52840 Mesh Schematic

[PDF] FoBE Core nRF52840 Mesh Dimension