var five = require("johnny-five");
five.Board().on("ready", function(){
var flexSensor = new five.Sensor("A0");
var myServo = new five.Servo(9);
flexSensor.on("data", function(err, value){
var servoAngle = five.Fn.map(value, 50, 300, 0, 179);
myServo.move(servoAngle);
});
});