Wall Following Robot Car : 16 Steps - Instructables
Efficient Wall Following Robot with Ultrasonic Sensor that Works in both Indoor and Outdoor Environments
Open Blackboard: Wall Follower Robot
GitHub - grubdragon/Arduino-Wall-Follower: Follows continuous wall on right and front of robot. Highly customizable code. May be tweaked for a single direction(hard coding extra movement), different 2 directions, three directions, or arguably
Wall Following Robot – Zx Lee
Efficient Wall Following Robot with Ultrasonic Sensor that Works in both Indoor and Outdoor Environments