RoverT – Obstacle-Avoiding Robot with lights
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Meet RoverT 🤖 A free,Arduino robot that avoids obstacles, reacts to light, and is easy to 3D print.
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Updated at source:
Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution — Share Alike

¡Important! The 'Chassis-v5-Lid.stl' file has been updated to fix a small issue.
RoverT is a free robot project designed to help makers learn about Arduino, sensors, electronics, and robotics.
The robot features:
A proximity sensor for obstacle avoidance
An adjustable light sensor that activates LEDs in low-light conditions
Random direction changes for dynamic movement
🖨 Printing is simple and beginner-friendly:
No supports needed
0.2 mm layer height recommended
Successfully printed on an Ender-3 S1
⚠ Voltage note (important for learning):
The circuit is designed for 3.3 V operation with this 3AA batery holder.
If you power the robot using 4 AA batteries, resistor values must be modified.
Fully commented Arduino IDE code
Assembly instructions
Electronic circuit diagram [Resistors values UPDATED!]
Full components list
Micro-USB Arduino adapter
Chassis base to help assemble the LED circuit