使用CC2541开发的单芯片低功耗运动手环，配合程序，可以做到一颗纽扣电池使用一年半。本设计已经大批量量产，读者可以放心使用。(The accelerometer and gyroscope driven directly by CC2541 single chip are combined with the program to do low power consumption control, so that a button battery can be operated for 1 ye