Added RAM note to advancedLEDbeltKit sketch

examples/advancedLEDbeltKit/advancedLEDbeltKit.pde

@@ -1,3 +1,8 @@
+// THIS PROGRAM USES AN INORDINATE AMOUNT OF RAM IN ORDER TO ACHIEVE ITS
+// BUTTERY-SMOOTH ANIMATION.  IT *WILL* *NOT* *WORK* ON REALLY LONG LED
+// STRIPS.  See the 'strandtest' sketch for a simpler and less RAM-
+// intensive example that can process more LEDs (100+).
+
 // Example to control LPD8806-based RGB LED Modules in a strip; originally
 // intended for the Adafruit Digital Programmable LED Belt Kit.
 // REQUIRES TIMER1 LIBRARY: http://www.arduino.cc/playground/Code/Timer1