Waveshare BLE4.0 Bluetooth NRF51822 Module 2.4G Wireless Communication Module Transmitter Receiver Development Evaluation Kit for Arduino

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 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 managementv 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 Resources: www.waveshare.com/wiki/NRF51822_Eval_Kit?amazon