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Intermediate Level Certification

Line-Follower Robot

Build and tune championship-grade autonomous line follower robots.

Line-Follower Robot
Demo: High-Speed Line Tracking with PID ControllerClick to preview lesson 1 without enrolling

About this course

Build a competitive line follower robot from the ground up. Learn multi-channel optical sensor arrays, calibrate for varying track reflectance, and write high-speed PID control loops.

What you will learn

  • ✓Multi-sensor array placement and analog threshold calibration
  • ✓Implementing mathematical weighted-average position calculation
  • ✓Writing and fine-tuning Proportional-Integral-Derivative (PID) algorithm
  • ✓Dynamic braking and corner anticipation logic
  • ✓Competition track strategies for 90-degree turns and intersections

Curriculum Syllabus

7 Modules · 5.5 Hours
1

Championship Track Rules & Robot Specs

Width, weight limits, line thickness standards.

2

5-Channel Sensor Array Calibration

Auto-calibrating min and max reflectance values.

3

Weighted Average Error Calculation

Determining exact millimeters off center.

4

Understanding Proportional (Kp) Tuning

Immediate correction response and oscillation limits.

5

Adding Derivative (Kd) for Damping

Dampening wobble and smooth straightaway racing.

6

Handling 90-Degree Angles and Gaps

Memory markers and track condition branching.

7

Speed Optimization & Race Day Prep

Maximizing motor PWM and battery voltage regulation.