text: 
  var mpu9250 = require('mpu9250/src/index.js');
  var handle = new mpu9250('mpu9250');
  
  var getVal = function () {
    var acc = handle.getAcc();
    console.log('acc.x:' + acc[0] + ' acc.y:' + acc[1] + ' acc.z:' + acc[2]);
    var gyro = handle.getGyro();
    console.log('gyro.x:' + gyro[0] + ' gyro.y:' + gyro[1] + ' gyro.z:' + gyro[2]);
  }
  
  var t = setInterval(getVal, 2000);