Low-power STM32 firmware with sensor fusion

Architected FreeRTOS-based firmware with optimized task scheduling, sensor fusion, and a reliable real-time comms stack.

FreeRTOS optimized
Sensor fusion
Low-power design

Context

Problem framing

Elevon Embedded ships constrained devices where power budget and flash size directly affect BOM cost. They needed firmware architecture that supports feature growth without recurring rewrite programs.

Challenge

Constraints

RTOS task partitioning, OTA in limited flash, and diagnostic logging that field techs can act on — all on hardware with minimal headroom.

Architecture

System design

FreeRTOS task model with clear ownership boundaries, bootloader with A/B OTA slots, structured logging over UART and BLE service mode, and configuration stored in wear-leveled flash regions.

Delivery

How we shipped

Reference architecture adopted across two product lines; OTA and diagnostics validated in field pilot. Elevon firmware team owns release trains with Corexel-authored ADRs as the foundation.

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