Core51822 (B) – NRF51822 Bluetooth 4.0


In stock


This module can be used for building keyboards such as Mitosis and Chimera


Core51822 (B) is a wireless module based on nRF51822 – the Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC designed for ULP (ultra low power) wirelesss applications.

Core51822 (B) Specifications

  • Onboard chip: nRF51822
  • Communication distance (open outdoor@1M data rate): 30m
  • Frequency range: 2.4GHz
  • Operating voltage: 2.0V ~ 3.6V
  • Operating temperature: -40℃ ~ 85℃
  • Dimension (PCB): 17.0mm x 20.8mm
  • Expansion pinheader: all the I/Os except P0.26 and P0.27
  • Antenna: onboard antenna

nRF51822 Features

  • 2.4 GHz multiprotocol RF transceiver
  • ARM® Cortex™-M0 32 bit processor
  • 128 bit AES HW encryption
  • 256kB flash & 32kB RAM
  • Programmable Peripheral Interconnect (PPI)
  • Digital interfaces: SPI, I2C, UART
  • 10 bit ADC
  • Programmable output power: -20 to +4 dBm
  • Independent application development and protocol stack
  • Fully compatible with NRF24L series
  • Pinout compatible with NRF51xxx series
  • Global separate power management
  • Operating voltage: 1.8 V ~ 3.6 V

Additional information

Weight 20 g


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