Nordic nRF51

Configuration:platform = nordicnrf51

The Nordic nRF51 Series is a family of highly flexible, multi-protocol, system-on-chip (SoC) devices for ultra-low power wireless applications. nRF51 Series devices support a range of protocol stacks including Bluetooth Smart (previously called Bluetooth low energy), ANT and proprietary 2.4GHz protocols such as Gazell.

For more detailed information please visit vendor site.

Debugging

PIO Unified Debugger - “1-click” solution for debugging with a zero configuration.

Tools & Debug Probes

Supported debugging tools are listed in “Debug” column. For more detailed information, please scroll table by horizontal. You can switch between debugging Tools & Debug Probes using debug_tool option in “platformio.ini” (Project Configuration File).

Warning

You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions.

On-Board Debug Tools

Boards listed below have on-board debug probe and ARE READY for debugging! You do not need to use/buy external debug probe.

Name MCU Frequency Flash RAM
BBC micro:bit NRF51822 16MHz 256KB 16KB
Calliope mini NRF51822 16MHz 256KB 16KB
Delta DFCM-NNN40 NRF51822 32MHz 256KB 32KB
Delta DFCM-NNN50 NRF51822 32MHz 256KB 16KB
JKSoft Wallbot BLE NRF51822 16MHz 128KB 16KB
Nordic Beacon Kit (PCA20006) NRF51822 32MHz 256KB 32KB
Nordic nRF51 Dongle (PCA10031) NRF51822 32MHz 256KB 32KB
Nordic nRF51822-mKIT NRF51822 16MHz 128KB 16KB
Nordic nRF51X22 Development Kit(PCA1000X) NRF51822 32MHz 256KB 32KB
RedBearLab BLE Nano 1.5 NRF51822 16MHz 256KB 32KB
RedBearLab nRF51822 NRF51822 16MHz 256KB 16KB
Seeed Arch BLE NRF51822 16MHz 128KB 16KB
Seeed Arch Link NRF51822 16MHz 256KB 16KB
Seeed Tiny BLE NRF51822 16MHz 256KB 16KB
Switch Science mbed HRM1017 NRF51822 16MHz 256KB 16KB
Switch Science mbed TY51822r3 NRF51822 32MHz 256KB 32KB
VNG VBLUNO51 NRF51822 16MHz 128KB 32KB
y5 nRF51822 mbug NRF51822 16MHz 256KB 16KB

External Debug Tools

Boards listed below are compatible with PIO Unified Debugger but DEPEND ON external debug probe. They ARE NOT READY for debugging. Please click on board name for the further details.

Name MCU Frequency Flash RAM
BluzDK NRF51822 32MHz 256KB 32KB
OSHChip NRF51822 32MHz 256KB 32KB
Sino:Bit NRF51822 32MHz 256KB 32KB
Waveshare BLE400 NRF51822 32MHz 256KB 32KB
ng-beacon NRF51822 16MHz 256KB 32KB

Stable and upstream versions

You can switch between stable releases of Nordic nRF51 development platform and the latest upstream version using platform option in “platformio.ini” (Project Configuration File) as described below.

Stable

; Latest stable version
[env:latest_stable]
platform = nordicnrf51
board = ...

; Custom stable version
[env:custom_stable]
platform = [email protected]
board = ...

Upstream

[env:upstream_develop]
platform = https://github.com/platformio/platform-nordicnrf51.git
board = ...

Packages

Name Description
framework-arduinonordicnrf5 Arduino Wiring-based Framework (Nordic NRF5 Core)
framework-mbed mbed Framework
framework-zephyr Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
framework-zephyr-hal-nordic Nordic nRF5x HAL for Zephyr framework
tool-cmake CMake is an open-source, cross-platform family of tools designed to build, test and package software.
tool-dtc Device tree compiler
tool-gperf GNU gperf is a perfect hash function generator.
tool-jlink SEGGER J-Link Software and Documentation Pack
tool-ninja Ninja is a small build system with a focus on speed.
tool-nrfjprog nRF5x command line tool
tool-openocd OpenOCD
tool-sreccat Merging tool
toolchain-gccarmnoneeabi gcc-arm-embedded

Warning

Linux Users:

Windows Users:

Please check that you have a correctly installed USB driver from board manufacturer

Frameworks

Name Description
Arduino Arduino Wiring-based Framework allows writing cross-platform software to control devices attached to a wide range of Arduino boards to create all kinds of creative coding, interactive objects, spaces or physical experiences.
Mbed The mbed framework The mbed SDK has been designed to provide enough hardware abstraction to be intuitive and concise, yet powerful enough to build complex projects. It is built on the low-level ARM CMSIS APIs, allowing you to code down to the metal if needed. In addition to RTOS, USB and Networking libraries, a cookbook of hundreds of reusable peripheral and module libraries have been built on top of the SDK by the mbed Developer Community.
Zephyr The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with safety and security in mind.

Boards

Note

BBC

Name Debug MCU Frequency Flash RAM
BBC micro:bit On-board NRF51822 16MHz 256KB 16KB

BluzDK

Name Debug MCU Frequency Flash RAM
BluzDK External NRF51822 32MHz 256KB 32KB

Calliope

Name Debug MCU Frequency Flash RAM
Calliope mini On-board NRF51822 16MHz 256KB 16KB

Delta

Name Debug MCU Frequency Flash RAM
Delta DFCM-NNN40 On-board NRF51822 32MHz 256KB 32KB
Delta DFCM-NNN50 On-board NRF51822 32MHz 256KB 16KB

JKSoft

Name Debug MCU Frequency Flash RAM
JKSoft Wallbot BLE On-board NRF51822 16MHz 128KB 16KB

Nordic

Name Debug MCU Frequency Flash RAM
Nordic Beacon Kit (PCA20006) On-board NRF51822 32MHz 256KB 32KB
Nordic nRF51 Dongle (PCA10031) On-board NRF51822 32MHz 256KB 32KB
Nordic nRF51822-mKIT On-board NRF51822 16MHz 128KB 16KB
Nordic nRF51X22 Development Kit(PCA1000X) On-board NRF51822 32MHz 256KB 32KB

OSHChip

Name Debug MCU Frequency Flash RAM
OSHChip External NRF51822 32MHz 256KB 32KB

RedBearLab

Name Debug MCU Frequency Flash RAM
RedBearLab BLE Nano 1.5 On-board NRF51822 16MHz 256KB 32KB
RedBearLab nRF51822 On-board NRF51822 16MHz 256KB 16KB

SeeedStudio

Name Debug MCU Frequency Flash RAM
Seeed Arch BLE On-board NRF51822 16MHz 128KB 16KB
Seeed Arch Link On-board NRF51822 16MHz 256KB 16KB
Seeed Tiny BLE On-board NRF51822 16MHz 256KB 16KB

Switch Science

Name Debug MCU Frequency Flash RAM
Switch Science mbed HRM1017 On-board NRF51822 16MHz 256KB 16KB
Switch Science mbed TY51822r3 On-board NRF51822 32MHz 256KB 32KB

VNG

Name Debug MCU Frequency Flash RAM
VNG VBLUNO51 On-board NRF51822 16MHz 128KB 32KB

Waveshare

Name Debug MCU Frequency Flash RAM
Waveshare BLE400 External NRF51822 32MHz 256KB 32KB

ng-beacon

Name Debug MCU Frequency Flash RAM
ng-beacon External NRF51822 16MHz 256KB 32KB

sino:bit

Name Debug MCU Frequency Flash RAM
Sino:Bit External NRF51822 32MHz 256KB 32KB

y5 design

Name Debug MCU Frequency Flash RAM
y5 nRF51822 mbug On-board NRF51822 16MHz 256KB 16KB