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Arch Blueseeed LE (nRF51822) is an mbed enabled development board based Nordic nRF51822

Arch Blueseeed LE (nRF51822) is an mbed enabled development board based Nordic nRF51822. With Arduino form factor and Grove connectors, it is extremely easy to create a bluetooth low energy device.


    The nRF51822 is a powerful multi-protocol single chip solution for ULP wireless applications. It incorporates Nordic’s latest best-in-class performance radio transceiver, an ARM Cortex M0 CPU and 256kB flash + 16kB RAM memory. The nRF51822 supports Bluetooth® low energy and 2.4 GHz protocol stacks.



  • mbed enabled

  • Online IDE

  • Easy to use C/C++ SDK

  • Handy libraries

  • CMSIS DAP based on LPC11U35

  • Drag-n-drop programming

  • Debug using CMSIS DAP standard

  • USB virtual serial for communication

  • Arduino form factor with Grove connectors

  • Nordic nRF51822 Multi-protocol Bluetooth® 4.0 low energy/2.4GHz RF SoC

  • ARM Cortex M0 processor

  • 256kB flash/16kB RAM

  • Configurable I/O mapping for digital I/O

  • USB Micro B connector

An Open Software Ecosystem

We recognize that each project has different requirements and goals. As such we have worked to provide as much flexibility to developers as possible. Our quad-core solution allows us to run numerous software solutions. From the selection of algorithms, NLP services, smart assistants, operating systems, and more, we wish to support our users. If you have suggestions on what services you would like to see us officially support let us know on our forums, or if you enjoy the work yourself, submit a merge request to our github.

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