Blink the Tessel LED over WiFi

node-bliny.js

var http = require('http');

var state = 1;

function toggleLED() {
  // Change the IP Address to your Tessel's IP Address!
  var path = 'http://172.20.10.5:8080/green/' + state
  console.log('getting at', path);
  
  http.get(path, function(res) {
    console.log('got this response');
    console.log('STATUS: ' + res.statusCode);
    console.log('HEADERS: ' + JSON.stringify(res.headers));
    res.setEncoding('utf8');
    res.once('data', function (chunk) {
      console.log('BODY: ' + chunk);
    });
    state ? state = 0 : state = 1;
    toggleLED();
  });
}

toggleLED();

tessel-server.js

var router = require('tiny-router'),
    tessel = require('tessel');

var lights = { 
    green: tessel.led[0], 
    blue: tessel.led[1], 
    red: tessel.led[2],
    amber: tessel.led[3]
};

router
    .get('/', function(req, res) {
        res.send('Simple light web API');
    })
    .get('/lights', function(req, res){
        res.send(lights);
    })
    .get('/green', function(req, res){
        var state = lights.green.read();
        lights.green.write(state);
        res.send({status: state});
    })
    .get('/green/{state}', function(req, res){
        var state = parseInt(req.body.state);
        lights.green.write(state);
        res.send({status: state});
    });

router.listen(8080);
console.log('listening on port 8080');