Solo student project
PATHFINDER
My first autonomous student robot, designed from scratch to escape a maze
Pathfinder is the first real robotics project I built on my own during engineering school. The goal was to design, from a tightly constrained set of components, a robot able to escape a maze autonomously. More than anything, this project taught me how to turn a simple constraint into a coherent, mechanically clean, and functional system.

A foundational project built under tight constraints
Pathfinder was my first solo student project, with a clear brief: design a robot from a very limited set of imposed components.
The constraint was part of the point. Locomotion, sensing, power, and structure all had to fit into a simple, credible, and actually functional system.
With only two servo motors, one Arduino, one ultrasonic sensor, one battery pack, and 3D-printed parts, the challenge was not to add artificial complexity, but to design something right.
A deliberately ambitious mechanical design
I took visual inspiration from Wall-E for the robot’s design.
That choice led me to use tracks instead of wheels, which created a higher mechanical challenge than a simpler architecture would have required.
I also paid attention to integration quality: no visible wires, the battery pack hidden in the back, and access to power through a properly integrated hatch.
Even at this scale, I already wanted the robot to feel like a coherent object rather than a rough school assembly.
A simple, deliberate, and effective control logic
The control strategy was intentionally simple: continuously follow the right wall.
The goal was not to build a complex algorithm, but to obtain reliable behavior with very limited hardware and software resources.
This project taught me that a system can be technically simple while still being well designed if strategy, mechanics, and integration work together.
What Pathfinder taught me
Pathfinder was an important first step in the way I think about robotics.
It taught me that mechanical choices matter as much as code, that constraints can improve a project, and that a robot becomes much more credible when its integration is clean.
It is a small robot, but a foundational project in my path.
Contact
Let’s talk
If you would like to discuss Pathfinder or what it represents in my journey, feel free to contact me.
francoismarty.work@gmail.com
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