code: func (h *ADXL345Driver) Stop() (err error) {
  	h.powerCtl.measure = 0
  	if h.connection == nil {
  		return errors.New("connection not available")
  	}
  	if _, err := h.connection.Write([]byte{ADXL345_REG_POWER_CTL, h.powerCtl.toByte()}); err != nil {
  		return err
  	}
  
  	return
  }
docs: // Stop adxl345