RAK4631
Definition
Section titled “Definition”RAK4631WisBlock Core module combining a Nordic nRF52840 microcontroller and an SX1262 LoRa radio.Crux usage: The module used as a MeshCore USB Companion in the Atlas Bridge recovery campaign.Open full definition module combining a nRF52840Nordic Semiconductor ARM Cortex-M4F microcontroller and wireless system-on-chip.Crux usage: Processing device inside the RAK4631, accessed during recovery using SWD.Open full definition microcontroller and an SX1262Semtech LoRa transceiver IC for sub-GHz radio communications.Crux usage: Provides the RAK4631’s LoRa radio path in CRUX MeshCore nodes.Open full definition LoRa radio.
Crux usage
Section titled “Crux usage”The module used as a MeshCore USB CompanionA MeshCore firmware role that exposes the MeshCore companion protocol to a USB-connected host.Crux usage: Chosen as the standard application role for the RAK4631 fleet and Atlas Bridge host integration.Open full definition in the Atlas BridgeThe indoor bridge unit linking field communications and local sensors to the Crux Atlas system.Crux usage: The Atlas Bridge receives MeshCore traffic, supports local diagnostics and Daymark events, and sends authoritative data to Atlas over its permanent server connection.Open full definition recovery campaign.
Context
Section titled “Context”RAK4631 variants must be selected for the intended RF region; the firmware image must match the BootloaderFirmware supporting startup and, depending on design, a supported method for updating device application software.Crux usage: The recovery campaign restored a compatible UF2 bootloader environment before applying the MeshCore USB Companion firmware.Open full definition and memory layout.
Aliases
Section titled “Aliases”RAK 4631, WisBlock Core
Related terms
Section titled “Related terms”RAK19007 · Bootloader · SWD · nRF52840 · SX1262
This entry is governed through the AtlasCrux’s governed operational intelligence system for interpreting system state, coordinating workflows, and presenting actions or decisions.Crux usage: Atlas connects engineering records, sensor data, communications, automation, evidence, and publishing. Material changes remain subject to validation rules and human approval.Open full definition Engineering System.