1import * as dac from 'dac'
2
3// led灯
4var vol = dac.open({
5    id: 'voltage',
6    success: function () {
7        console.log('open dac success')
8    },
9    fail: function () {
10        console.log('open dac failed')
11    }
12});
13
14vol.writeValue(65536 / 2)
15
16var value = vol.readValue();
17
18console.log('voltage value is ' + value)
19
20vol.close();
21
22
23