Laser pan tilt code

package.json

{
  "name": "lasertest",
  "version": "1.0.0",
  "description": "Used to pan tilt and fire a laser",
  "main": "led.js",
  "dependencies": {
    "johnny-five": "^0.9.53"
  },
  "devDependencies": {},
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "ajfisher <ajfisher.td@gmail.com>",
  "license": "MIT"
}

pantitlaser.js

var five = require("johnny-five");
var stdin = process.openStdin();

var pan, tilt, laser;

process.stdin.resume();
process.stdin.setEncoding('utf8');
process.stdin.setRawMode(true);

var board = new five.Board({repl:false});

board.on("ready", () => {
    pan = five.Servo({
        type: "standard",
        pin: 7,
    });

    tilt = five.Servo({
        type: "standard",
        pin: 8,
    });

    laser = five.Pin(4);
    pan.center();
    tilt.center();

    console.log(pan.position);
    /**laser.high();
    tilt.sweep([105, 75]);
    pan.sweep([105, 75]);**/
});

process.stdin.on("data", (key) => {
    if (! key) return;

    if (key == "c") {
        laser.low()
        console.log("Exit");
        process.exit();
    } else if (key == "a") {
        if (pan.position < 180) {
            console.log(pan.position);
            pan.to(pan.position + 5);
        }
    } else if (key == "d") {
        if (pan.position > 0) {
            console.log(pan.position);
            pan.to(pan.position - 5);
        }
    } else if (key == "w") {
        if (tilt.position > 0) {
            console.log(tilt.position);
            tilt.to(tilt.position - 5);
        }
    } else if (key == "s") {
        if (tilt.position < 180) {
            console.log(tilt.position);
            tilt.to(tilt.position + 5);
        }
    } else if (key == "l") {
        if (laser.value) {
            laser.low();
        } else {
            laser.high();
        }
    }
});