Applications:<br />Wearable devices<br />Bluetooth intelligent application<br />Mobile phone accessories<br />RFID labels<br />Smart home appliances<br />Industry control<br />Data acquisition system<br /><br />NRF51822 Eval Kit is a development/evaluation kit designed for nRF51822，<br />consists of the mother board BLE400 and the wireless module Core51822<br /><br />BLE400 Features:<br />Onboard battery holder， multi power supplies are available<br />All the IOs are accessible for easy expansion<br />Integrates CP2102 for debugging<br />LEDs and user keys， compatible with other official boards， easy to use<br /><br />Core51822 Specifications:<br />Onboard chip: nRF51822<br />Communication distance (open outdoor@1M data rate): 30m<br />Frequency range: 2.4GHz<br />Operating voltage: 2.0V ~ 3.6V<br />Operating temperature: -40centigrade~ 85centigrade<br />Dimension (PCB): 24.5mm x 32.26mm<br />Expansion pinheader: all the I/Os except P0.26 and P0.27<br />Pinheader pitch: 2.00mm<br />Spacing between pinheaders on the left side and the right side: 18.00mm<br />Antenna: onboard antenna<br /><br />nRF51822 Features:<br />2.4 GHz multiprotocol RF transceiver<br />ARM? Cortex?-M0 32 bit processor<br />128 bit AES HW encryption<br />256kB flash &amp; 32kB RAM<br />Programmable Peripheral Interconnect (PPI)<br />Digital interfaces: SPI， I2C， UART<br />10 bit ADC<br />Programmable output power: -20 to +4 dBm<br />Independent application development and protocol stack<br />Fully compatible with NRF24L series<br />Pinout compatible with NRF51xxx series<br />Global separate power management<br />Operating voltage: 1.8 V ~ 3.6 V