FreeRTOS Firmware Guide

Operating Systems

The world's most deployed real-time operating system for microcontrollers, maintained by AWS. Lightweight, reliable, and backed by extensive community and commercial support.

Key Topics

Tasks and scheduling
Queues and semaphores
Memory management
Timer services
AWS IoT integration
Stack overflow detection

Supported Hardware

ESP32

Dual-core Wi-Fi and Bluetooth combo chip with extensive peripheral support. One of the most popular IoT microcontrollers for prototyping and production.

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ESP32-S3

AI-capable dual-core MCU with vector instructions for neural network acceleration, Wi-Fi, and BLE 5.0. Ideal for AIoT edge computing applications.

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ESP32-C3

Cost-effective RISC-V single-core Wi-Fi and BLE 5.0 chip. A great choice for simple connected devices where cost and power matter.

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STM32F4

High-performance ARM Cortex-M4 series with DSP and FPU. Industry workhorse for motor control, industrial automation, and signal processing applications.

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STM32L4

Ultra-low-power ARM Cortex-M4 series optimized for battery-operated applications. Features multiple low-power modes and efficient wake-up capabilities.

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STM32H7

Highest-performance STM32 series with ARM Cortex-M7 running at 480 MHz. Ideal for graphics, AI inference, and complex signal processing at the edge.

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More Operating Systems

Zephyr RTOS

Open-source, scalable real-time operating system by the Linux Foundation, supporting 600+ boards. The foundation of Nordic's nRF Connect SDK and increasingly popular across the embedded industry.

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Frequently Asked Questions

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