Zephyr RTOS Firmware Guide
Operating Systems
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.
Key Topics
Supported Hardware
nRF52832
Cost-effective Bluetooth 5.4 SoC with 512KB Flash and 64KB RAM, ideal for wearables, beacons, and low-power sensor applications.
View platformnRF52840
Advanced multiprotocol SoC with 1MB Flash, 256KB RAM, and USB support. The go-to chip for Bluetooth 5.4, Thread, Zigbee, and 802.15.4 applications.
View platformnRF5340
Dual-core Bluetooth 5.4 SoC with dedicated application and network processors. 1MB Flash + 512KB RAM on the application core, with hardware security via ARM TrustZone.
View platformnRF54L15
Next-generation ultra-low-power Bluetooth 5.4 SoC with RISC-V and ARM Cortex-M33 cores. Designed for ultra-constrained battery-powered devices.
View platformnRF9160
Cellular IoT SiP with integrated LTE-M/NB-IoT modem and GPS. Perfect for asset tracking, remote monitoring, and any application requiring wide-area connectivity.
View platformnRF9161
Next-gen cellular IoT SiP with DECT NR+ support, LTE-M/NB-IoT modem, and GNSS. Enhanced successor to the nRF9160 with improved power efficiency.
View platformnRF7002
Wi-Fi 6 companion IC designed to work alongside Nordic BLE SoCs. Adds dual-band Wi-Fi connectivity to existing nRF52/nRF53 designs.
View platformESP32
Dual-core Wi-Fi and Bluetooth combo chip with extensive peripheral support. One of the most popular IoT microcontrollers for prototyping and production.
View platformESP32-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.
View platformESP32-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.
View platformSTM32F4
High-performance ARM Cortex-M4 series with DSP and FPU. Industry workhorse for motor control, industrial automation, and signal processing applications.
View platformSTM32L4
Ultra-low-power ARM Cortex-M4 series optimized for battery-operated applications. Features multiple low-power modes and efficient wake-up capabilities.
View platformSTM32H7
Highest-performance STM32 series with ARM Cortex-M7 running at 480 MHz. Ideal for graphics, AI inference, and complex signal processing at the edge.
View platformMore Operating Systems
Frequently Asked Questions
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