Merge pull request #8 from mikaelhm/master

Fixed button in diagram

Author: achingbrain

exercises/light_switch/problem.md

@@ -15,15 +15,19 @@ Pin 5  o------------         |
    +5  o---/\/\/---.         |
                    |         |
                    |         |
-                .--|--|--.   |
-                | |  |   |   |
-      Button  --+-|  |   |   |
-                | |  |   |   |
-                '--|--|--'   |
-                   |         |
-                   ----------.---o  GND
+      .---------.  |         |
+      |         |  |         |
+     -+-_______-+--+         |
+      |    |    |            |
+     -+-___|___-+--+         |
+      |    |    |  |         |
+      '____|____'  |         |
+           |       |         |
+        Button     |         |
+                   +---------+---o  GND
 ```
 
+
 ## Components
 
 - Button - http://node-ardx.org/electronics-primer#pushbutton
@@ -35,4 +39,4 @@ Pin 5  o------------         |
 - Button - https://github.com/rwaldron/johnny-five/wiki/Button#usage
 - LED - https://github.com/rwaldron/johnny-five/wiki/Led#api
 
----
+---