Month 1: Maze Basics & Hardware Setup
Introduction to Maze Solving Robots
- Types of mazes (open maze, perfect maze, multi-path maze)
- Maze-solving techniques overview(Left-Hand Rule,
Right-Hand Rule,Shortest Path Optimization) - Robot requirements: chassis, sensors, motor driver,micro controller
IR Sensor Interfacing and Calibration
- Line detection basics with IR sensors
- Threshold setting for black/white path detection
- Track preparation: black line on white maze paths with junctions
Motor Driver & Chassis Assembly
- Wiring L298N/L293D motor driver
- Programming forward, left, right, stop actions
- Real-time control via Serial Monitor
Basic Path Detection and Turning Logic
- Detecting junctions and dead ends
- Coding left-turn, right-turn, U-turn decisions based on sensor values
- Visual debugging with Serial print
Month 2: Decision Making & Rule-Based Algorithms
Left-Hand and Right-Hand Rule Algorithms
- Theory behind wall-following methods
- Code implementation of Left-Hand Rule
- Code implementation of Right-Hand Rule
- Practical testing on a simple maze
Path Mapping with Multisensor Arrays
- Integrating 3/5/8 IR sensor arrays
- Detecting multiple path junction types (T, Y, Cross)
- Logic table for complex path recognition
Memory-Based Path Recording
- Storing turns and moves in an array
- Recording junction decisions for replay or optimization
- Display moves on Serial Monitor (optional OLED display)
Optimizing Movement Speed and Accuracy
- Calibrating motor speed for sharp turns
- Adjusting PID control (optional) for accurate line following within the maze
- Practice runs on multi-path mazes
Month 3: Advanced Solving & Competition Track Challenges
Dead-End Detection and U-Turn Logic
- Detecting dead ends and reverse logic
- Managing alternate route decision-making
- Handling loops and multi-choice paths
Fastest Path Relearning (Backtracking Concept)
- Storing optimal path during the first maze run
- Replay optimized shortest path on second run
- Algorithm for retracing successful paths
Dynamic Maze Handling
- Handling maze changes (blocked paths, opened exits)
- Sensor recalibration mid-run
- Error detection and fail-safe stops
Capstone Line Follower Robot Project
- Final robot assembly and optimization
- Full track run with PID, speed tuning, obstacle handling
- Presentation and competition