diff --git a/deploy/roles/collectd/templates/demo.py b/deploy/roles/collectd/templates/demo.py
index 2e9e112..a7f2392 100644
--- a/deploy/roles/collectd/templates/demo.py
+++ b/deploy/roles/collectd/templates/demo.py
@@ -1,79 +1,82 @@
 #!/usr/bin/env python2
 
 import serial
 import time
 
 DEBUG = 1
 SERIAL = 1
 
 PORT = '/dev/ttyS1'
 SPEED = 9600
 
 LEDS_NUMBER = 8
 LEDS_MAX = 100
 TIME = 0.1
 
 def debug(msg):
     if DEBUG:
         f = open('/tmp/debug_demo', 'a+')
         f.write(str(msg) + "\n")
         f.close()
 
 def write(line):
     if SERIAL:
         ser.write(line)
     debug(line)
 
 def kitt():
     for i in [0, 1, 2, 3, 2, 1]:
         for j in xrange(4):
             line = 'l%d ' % j + '%d 0 0 ' % (LEDS_MAX if i==j else 0) * LEDS_NUMBER
             write(line)
             time.sleep(TIME)
 
 def colors():
-    step = 32
-    for r in xrange(0, LEDS_MAX, step):
-        for g in xrange(0, LEDS_MAX, step):
-            for b in xrange(0, LEDS_MAX, step):
-                for index in xrange(4):
-                    line = 'l%d ' % index + '%d %d %d ' % (r, g, b) * LEDS_NUMBER
-                    write(line)
-                    time.sleep(TIME)
+    rgbColour = [LEDS_MAX, 0, 0]
+    for deccol in xrange(3):
+	inccol = 0 if deccol == 2 else deccol + 1
+        for i in xrange(LEDS_MAX):
+            rgbColour[deccol] -= 1
+            rgbColour[inccol] += 1
+            debug(rgbColour)
+            for index in xrange(4):
+                line = 'l%d ' % index + '%d %d %d ' % (rgbColour[0], rgbColour[1],rgbColour[2]) * LEDS_NUMBER
+                write(line)
+                time.sleep(TIME)
 
 def text():
     letters = [
         [[0,1,0,0,0,1,0,0],[0,1,0,1,0,1,0,0],[0,1,0,1,0,1,0,0],[0,1,1,1,1,1,0,0]],  # E
         [[0,1,1,1,0,0,0,0],[0,1,0,1,0,0,0,0],[0,1,0,1,0,0,0,0],[0,1,1,1,1,1,0,0]],  # P
         [[0,1,0,0,0,0,0,0],[0,1,0,1,0,0,0,0],[0,1,0,1,0,0,0,0],[0,1,1,1,1,1,0,0]],  # F
         [[0,0,0,0,0,1,0,0],[0,0,0,0,0,1,0,0],[0,0,0,0,0,1,0,0],[0,1,1,1,1,1,0,0]],  # L
        #[[0,1,0,1,1,1,0,0],[0,1,0,1,0,1,0,0],[0,1,0,1,0,1,0,0],[0,1,1,1,0,1,0,0]],
        #[[0,1,1,1,1,1,0,0],[0,1,0,0,0,1,0,0],[0,1,0,0,0,1,0,0],[0,1,1,1,1,1,0,0]],
        #[[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,1,1,1,1,1,0,0],[0,0,0,0,0,0,0,0]],
        #[[0,0,0,0,0,0,0,0],[0,1,0,0,0,0,0,0],[0,1,1,1,1,1,0,0],[0,1,0,0,0,0,0,0]],
        #[[0,1,1,1,1,1,0,0],[0,1,0,1,0,0,0,0],[0,1,0,1,0,0,0,0],[0,1,1,1,1,1,0,0]],
        #[[0,1,0,1,1,1,0,0],[0,1,0,1,0,1,0,0],[0,1,0,1,0,1,0,0],[0,1,1,1,0,1,0,0]],
         [[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0]], # NULL
     ]
     for l in letters:
         index = 0
         for r in l:
             line = 'l%d ' % index \
                     + ' '.join([str(x).replace("1", str(LEDS_MAX)) + ' 0 0 '
                                 for x in r])
             write(line)
             time.sleep(0.08)
             index += 1
         time.sleep(0.6)
 
 ser = None
 if SERIAL:
     ser = serial.Serial(PORT, SPEED)
 try:
     while True:
-        text()
-        #colors()
+        #text()
+        colors()
         #kitt()
 except KeyboardInterrupt:
     if SERIAL:
         ser.close()