Update README.md

vinamrsachdeva · Mar 15, 2019 · d37cce5 · d37cce5
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-# PID-Line-Follower
+# PID-Line-Follower
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+* pid_linefollower.ino is a program for a robot which can follow a curvilinear path. It is directed by a line on a surface, wherein both are of different colors. It uses a PID controller, which makes the robot follow the path (according to the values obtained from a 5 IR sensor-array) using differential drive system. The speeds of the left and right motors are regulated using the correction term obtained from the PID algorithm.