1var adc = require('adc');
2
3var vol = adc.open({
4  id: 'adc1',
5  success: function() {
6    console.log('adc: open adc success')
7  },
8  fail: function() {
9    console.log('adc: open adc failed')
10  }
11});
12
13setInterval(function() {
14    console.log('adc: adc value ' + vol.readValue())
15}, 2000);
16
17