var spi = require('spi'); var msgbuf = [0x10, 0xee] // led鐏� var sensor = spi.open({ id: 'spi', success: function() { console.log('open spi success') }, fail: function() { console.log('open spi failed') } }); sensor.write(msgbuf) var value = sensor.read(2) console.log('sensor value is ' + value) sensor.close();