Lab4.markdown

@@ -31,8 +31,11 @@
 >
 > | | Black reading | White reading | Threshold|
 > | -------- | -------- |--------|-------- |
-> | Paper surface | 0   | 81   | 0 |
-> | Plastic surface   | 40   | 2 | 1 |
+> | Bright Room Paper surface | 0   | 81   | 0 |
+> | Bright Room Plastic surface   | 40   | 2 | 1 |
+> | Dark Room Plastic surface   | 40   | 2 | 1 |
+> | Dark Room Plastic surface   | 40   | 2 | 1 |
 
-> ##### Fig. 3: Table of sensor reading. 
+> ##### Fig. 1: Table of  color sensor readings. 
 >
+> The results show