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

1. Wireless module connector: for easily connecting modules like Core51822
2. MCU pins expansion connector
3. I2C interface
4. SPI interface
5. 5V/3.3V power input/output: usually used as power output, also common-grounding with other user board
6. USB connector: USB TO UART via onboard convertor CP2102
7. Debugging interface
8. UART interface
9. Battery holder
10. User LEDs
11. User keys
12. Reset button
13. CP2102
14. USB TO UART jumper
15. 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.

Core51822 Expansion Headers

PhotosCore51822 Bluetooth 2.4G RF moduleCore51822 Bluetooth 2.4G RF module back viewBLE400 Bluetooth 2.4G RF mother boardBLE400 Bluetooth 2.4G RF mother board back viewCore51822 on the BLE400Connecting with accessories