lesson-4.md

@@ -32,6 +32,10 @@ The *BlackWhiteSensor.java* class also prints light values to the display as a p
  --- | --- 
  51 | 33 
 
+White | Black | Pretty
+--- | --- | ---
+*51* | `33` | **nicely**
+1 | 2 | 3
   // The threshold is calculated as the median between 
 	   // the two readings over the two types of surfaces
 - Virkede fint.