基于Nordic公司nRF51822芯片开发，芯片集成BLE蓝牙4.0协议。使用LIS3DH作为加速度传感器，进行运动和睡眠监测。-Based on the development of nRF51822 company Nordic chip, chip integrated BLE Bluetooth 4 protocol. Using LIS3DH as the acceleration sensor, the movement and sleep monitoring.

nordic nrf51 低功耗蓝牙开发参考代码。-nordic bluetooth sample