lcd.js

var blessed = require('blessed')
  , contrib = require('../')
  , screen = blessed.screen();
  
/*
//these options need to be modified epending on the resulting positioning/size
  options.segmentWidth = options.segmentWidth || 0.06; // how wide are the segments in % so 50% = 0.5
  options.segmentInterval = options.segmentInterval || 0.11; // spacing between the segments in % so 50% = 0.5
  options.strokeWidth = options.strokeWidth || 0.11; // spacing between the segments in % so 50% = 0.5

//default display settings
  options.elements = options.elements || 3; // how many elements in the display. or how many characters can be displayed.
  options.display = options.display || 321; // what should be displayed before anything is set
  options.elementSpacing = options.spacing || 4; // spacing between each element
  options.elementPadding = options.padding || 2; // how far away from the edges to put the elements

//coloring
  options.color = options.color || "white";
*/


var lcd = contrib.lcd({
	label: 'Test',
	elements: 4
});

screen.append(lcd);

setInterval(function(){
	var colors = ['green','magenta','cyan','red','blue'];
	var text = ['A','B','C','D','E','F','G','H','I','J','K','L'];

	var value = Math.round(Math.random() * 1000);
	lcd.setDisplay(value + text[value%12]);
	lcd.setOptions({
		color: colors[value%5],
		elementPadding: 5
	});
	screen.render();
}, 1000);

screen.key(['g'], function(ch, key) {
	lcd.increaseWidth();
	screen.render();
});
screen.key(['h'], function(ch, key) {
	lcd.decreaseWidth();
	screen.render();
});
screen.key(['t'], function(ch, key) {
	lcd.increaseInterval();
	screen.render();
});
screen.key(['y'], function(ch, key) {
	lcd.decreaseInterval();
	screen.render();
});
screen.key(['b'], function(ch, key) {
	lcd.increaseStroke();
	screen.render();
});
screen.key(['n'], function(ch, key) {
	lcd.decreaseStroke();
	screen.render();
});

screen.key(['escape', 'q', 'C-c'], function(ch, key) {
	return process.exit(0);
});

screen.render()