Waveshare NRF51822 Core Board Advanced Bluetooth 4.0 & BLE Wireless SoC Module for Arduino, Raspberry Pi & IoT Projects

Description:

The Core51822 (B) is a compact, high-performance wireless module built around the Nordic nRF51822 SoC, supporting Bluetooth® 4.0 Low Energy and 2.4 GHz RF communication. Designed specifically for ultra-low power (ULP) wireless applications, this module offers reliable, energy-efficient connectivity ideal for IoT devices, wearables, smart sensors, and other embedded systems requiring minimal power consumption.

Specification:

• 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

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 the NRF24L series
• Pinout compatible with the NRF51xxx series
• Global separate power management
• Operating voltage: 1.8 V ~ 3.6 V

Application:

• Wearable devices
• Bluetooth intelligent application
• Mobile phone accessories
• RFID labels
• Smart home appliances
• Industry control
• Data acquisition system

Useful Link:

Waveshare NRF51822 Core Board Advanced Bluetooth Wireless Module

Package Included:

1 x Waveshare NRF51822 Bluetooth 4.0 Core Development Board