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Arduino Uno Based - Robot Cars doing maze solving
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Robot Cars doing maze solving
In 2017, two students decided to do different maze solving/route mapping projects using what I would call robot cars. These A level students for their Computer Science project for them to design and write the software and add various peripherals to the robot to assist in navigation of the robot car.
They used some fairly commonly available parts -
By using this setup they could do projects that went from a known starting position, and using decision algorithms, get to their target location avoiding other objects, and mapping where they had been. If they had been more successful they also would have done a reverse journey to starting point to dump out the best route to target.
Click on an image for an enlarged view of the picture.
The program on the IR Beacon Arduino Uno pulses LEDs for 100 ms in turn sweeping in and out, in sequence of
This way a scan of the IR Tracker detectors can be performd, to check for pulses against background level and determine which direction is the strongest, or even partial angles between the sensors.
Below is a series of scope screen shots, showing what drives the LEDs on the IR beacon (LOW is LED Lit), and how the sensors perform on the IR tracker.
Putting it all together
When the student put it together, they eneded up at least with a working design, even if it did not get to fully match the requirements. See the video below of one of the tests runs.
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