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Product introduction

A sentence of self introduction.
I am a bluetooth 4.0 module based on nRF51822, small size, stable and reliable, and can be directly used in the product.

The parameters of 
  • Main control chip: nRF51822
  • Communication distance: 30 m (condition: empty area / 1 m rate)
  • Working frequency band: 2.4GHz
  • Working voltage: 2.0V ~ 3.6V
  • Temperature range: -40 ~ 85
  • Size: X 20.8mm 17.0mm (PCB)
  • Interface: in addition to P0.26 and P0.27, all I/O interface
  • Antenna: plate antenna
[my application]
  • wearable devices
  • Bluetooth intelligent application
  • Mobile phone peripheral
  • RF smart RFID tags
  • Intelligent household appliances
  • Industrial control
  • data acquisition system
 nRF51822 introduction
NRF51822 is an ultra low power wireless applications (wirelesss applications ULP) to create a multi protocol single-chip solution.
It integrates the Nordic first-class wireless transmitter, at the same time support Bluetooth (R) low energy and special 2.4 GHz protocol stack.
The basic situation is:
  • 2.4GHZ multi protocol radio frequency
  • The 32-bit ARM processor architecture (M0
  • 128 bit AES hardware encryption processor
  • 256kB flash / 32kB RAM
  • Programmable peripheral interface PPI
  • Full function digital interface: SPI / I2C / UART
  • 10 bit ADC
  • Programmable output power: + 4 DBM to - 20 DBM
  • Application development and protocol stack completely independent
  • Fully compatible with NRF24L series
  • Compatible with NRF51xxx series tube feet
  • Global independent power management
  • Operating voltage range (1.8 V ~ 3.6 V)
Version update description
  • Core51822 (B) now use Rev3 version chip, double RAM to 32 KB, support higher version of the SDK, all program is compatible with the original Rev2 version of the chip

Product pictures

Core51822 (B) positive oblique view
On the back of the oblique Core51822 (B)
Core51822 (B) positive map
Compared with Core51822 figure

Pin description

Pin description  Core51822 (B)

Product size


Product information

Materials include:

  • Software development
  • Development data

Download path: (B)

Detailed configuration

  1. Core51822 (B) x1
It is recommended that users buy Debugger ARM at the same time to facilitate the download and debug.

Warranty information,

Warranty for 12 months.


Packaging Details
  • Unit Type: piece
  • Package Weight: 0.1kg (0.22lb.)
  • Package Size: 16cm x 16cm x 6cm (6.30in x 6.30in x 2.36in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.1kg (0.22lb.)
  • Package Size: 16cm x 16cm x 6cm (6.30in x 6.30in x 2.36in)
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