Lab4.markdown

@@ -30,9 +30,9 @@
 > The findings from the color sensor test are presented in the table below:
 >
 > | | Black reading | White reading | Threshold|
-> | -------- | -------- |--------|-------- |
-> | Paper surface | 0   | 81   | 0 |
-> | Plastic surface   | 40   | 2 | 1 |
+ | -------- | -------- |--------|-------- |
+ | Paper surface | 0   | 81   | 0 |
+ | Plastic surface   | 40   | 2 | 1 |
 
 > ##### Fig. 3: Table of sensor reading. 
 >