INTRODUCTION
In this project, we use tracking(black/white) sensor to design a simple line follower Robot car.
A Line Follower Robot, as the name suggests, is an auto-driving vehicle which follows a black track line printed in white ground. Tracking sensors in the robot keeps checking if the current car location is out of the track. If yes, then car will make a negative movement to draw the robot car back to track.
We first use black tape to paste a circle on the white ground (also on white paper), and the robot will continue to patrol along the circle.
PREPARATION
Hardware:
● 1 X USB cable
● 1 X micro:bit robot
CODE PROGRAM
Then the micro:bit is connected to the computer through USB, and the computer will pop up a U disk and click the URL in the U disk to enter the programming interface. Input this URL https://github.com/osoyoo/OSOYOO-MICRO-BIT-CAR to get the package.
Note：
Before the experiment, please adjust the R18 potentiometer to ensure that the two infrared tracking sensors can work normally.
If the tracking is not normal, the robot car will quickly run out of the tracking trajectory, we need to adjust its speed to be slower.
