BLE4.0 Bluetooth 2.4G Development/Evaluation Kit designed for nRF51822
Overview
NRF51822 Eval Kit is a development/evaluation kit designed for nRF51822, consists of the mother board BLE400 and the wireless module Core51822.
BLE400 Features
Onboard battery holder, multi power supplies are available
All the IOs are accessible for easy expansion
Integrates CP2102 for debugging
LEDs and user keys, compatible with other official boards, easy to use
What's on the BLE400
Wireless module connector:for easily connecting modules like Core51822
MCU pins expansion connector
I2C interface
SPI interface
5V/3.3V power input/output:usually used as power output, also common-grounding with other user board
USB connector:USB TO UART via onboard convertor CP2102
Debugging interface
UART interface
Battery holder
User LEDs
User keys
Reset button
CP2102
USB TO UARTjumper
LEDs & Keys jumper
BLE400 Dimension
Core51822 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): 24.5mm x 32.26mm
Expansion pinheader: all the I/Os except P0.26 and P0.27
Pinheader pitch: 2.00mm
Spacing between pinheaders on the left side and the right side: 18.00mm
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
Applications
Wearable devices
Bluetooth intelligent application
Mobile phone accessories
RFID labels
Smart home appliances
Industry control
Data acquisition system
Revision History
2015.06, Core51822 upgrades the onboard chip to Rev3, features 32kB RAM, supports higher version SDK, and all the demo codes are still compatible with the Rev2 ones.