draft blink code for const / define param

recitation/debugging/programming.html

@@ -158,6 +158,27 @@
     <p> This improves code clarity and allows for easier modifications in the future.</p>
   </section>
   
+  <section data-auto-animate>
+					<h2 data-id="code-title">With Animations</h2>
+					<pre data-id="code-animation"><code class="hljs javascript" data-trim data-line-numbers="|12,14"><script type="text/template">
+// the setup function runs once when you press reset or power the board
+void setup() 
+{
+  // initialize digital pin LED_BUILTIN as an output.
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+ 
+// the loop function runs over and over again forever
+void loop() 
+{
+  digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
+  delay(5000);                       // wait for a second
+  digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW
+  delay(2000);                       // wait for a second
+}
+</script></code></pre>
+  </section>
+  
   <section>
     <h3>Use Classes</h3>
     <p>