LED stuff

// from BBB.io and some book, "Programming the BeagleBone Black."

const b = require('bonescript');

const bulb = "P9_30";
b.pinMode(bulb, b.OUTPUT);

var state = 0;

function toggleBulb() {
    state = state ^ 1;
    b.digitalWrite(bulb, state);
}

setInterval(toggleBulb, 5000);
console.log("Blinking on and off on the BBGW!");