nRF5 SDKEssential

Software development kit for the nRF52 Series and nRF51 Series SoCs

The nRF5 SDK is your first stop for building fully featured, reliable and secure applications with the nRF52 and nRF51 Series. It offers developers a wealth of varied modules and examples right across the spectrum including numerous Bluetooth Low Energy profiles, Device Firmware Upgrade (DFU), GATT serializer and driver support for all peripherals on all nRF5 Series devices. The nRF5 SDK will almost certainly have something for your needs in developing exciting yet robust wireless products.

Available Protocols

Rich and well tested devlopment environment


Bluetooth® Low Energy brings wireless connectivity to small, low-cost devices that require months to years of battery lifetime.

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ANT™ is a proven, ultra low power, flexible and easy-to-use network protocol for 2.4 GHz ISM band communication.

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2.4 GHz

We offer a complete range of ultra-low power 2.4GHz ISM band solutions including wireless system-on-chips, protocol stacks, development tools, and reference designs.

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nRF52 Series SoCs

Supported by the nRF5 SDK

nRF52 SoftDevices

Bluetooth LE & ANT

nRF51 SoftDevices

Bluetooth LE & ANT


Supported by the nRF5 SDK and nRF52 DK


SES - Segger Embedded Studio

Segger Embedded Studio is a professional all-in-one IDE solution for embedded C/C++ programming. IDE, project manager, debugger and Clang/LLVM and GCC compilers included. Supports WIN, Linux, OSX. Free for non-commercial use, without limitations.

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GNU Embedded Toolchain

The GNU Embedded Toolchain for ARM is a ready-to-use, open-source suite of tools for C/C++ and asm programming for Cortex-M and -R processors.  Includes GCC compiler/linker. WIN, Linux, OSX. Available directly from ARM and 100% Free to use under the GNU GPL.

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IAR Embedded Workbench

IAR Embedded Workbench for ARM provides one single toolbox, one view, one uninterrupted workflow. Includes IDE/editor, compiler, linker. WIN only. Free Evaluation license available: Choose between 30-day fully functional trial or 32Kbyte code-size limited "kickstart" version.

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Keil MDK

KEIL Microcontroller Development Kit is a complete development environment for a wide range of Cortex-M based MCUs. Includes an IDE and debugger, ARM C/C++ compiler and linker and essential middleware components. WIN, Linux. Free Evaluation/Lite version restricted to 32Kbytes of code and data. 7-day "full" trial also available.

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Mobile applications

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