3/29/2024 0 Comments Vex iq robotc![]() So, $39.99 is not cheap I’d recommend buying a package only if you have a good chance of using it (as opposed to, “I’ll buy one just to have on hand.”). The line tracker comes in a 3-pack, which are used together as a single group. Each sensor gets plugged into an analog port, and each sensor returns a value your programming will combine the information from the 3 and decide how the robot should react. It’s definitely doable, and I hope that this post will help you learn a few less things “the hard way.” Table-O-Contents (this is a long one) As I describe below, I helped my daughter implement basic PID on a line-following squarebot for her 8th grade science fair project (after I learned it at 2am a few days in a row). Please don’t let this description make you think it’s too hard. ![]() This is a long post, with lots of information to understand & things to consider in using line trackers. Those white lines of tape on the VEX competition field? They’re not just for show (or to help the field resetters), they create a path your robot can follow during autonomous. Next up in my journey through Sensor Land is the VEX Line Tracker. Photo credits above: VEX Robotics, RobotC wiki archive
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