Uploaded February 2025 | Updated September 2026, 2 weeks ago
In this beginner-friendly tutorial, we will create a simple and affordable line-following robot that does not require an Arduino or any microcontroller. Instead, we will use an L293D motor driver, two IR sensors, and a pair of DC motors to achieve line-following functionality. This project is perfect for those new to robotics who want to understand basic automation without dealing with programming.
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The working principle relies on IR sensors detecting the contrast between a dark and light surface, allowing the robot to adjust its movement accordingly. The L293D motor driver acts as the control unit, directing the DC motors based on the signals received from the IR sensors. With just a few components, we can assemble a functional robot that follows a predefined path without the complexity of coding.
To build this project, you will need a robot chassis, an L293D motor driver, two IR sensors, two DC motors, and a 9V battery for power. By the end of this tutorial, you will have a fully operational line-following robot, demonstrating how simple circuits can achieve autonomous movement. If you're eager to dive into the full circuit details and step-by-step instructions, check out the complete guide here. Additionally, for a deeper understanding of how IR sensors function, you can watch this explanatory video here.
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In this beginner-friendly tutorial, we will create a simple and affordable line-following robot that does not require an Arduino or any microcontroller. Instead, we will use an L293D motor driver, two IR sensors, and a pair of DC motors to achieve line-following functionality. This project is perfect for those new to robotics who want to understand basic automation without dealing with programming.
Altium365 and PCB Designer FREE Trial - altium365.com/yt/rootsaid
FREE PCB Designing Course Altium Student Lab: altium.com/in/yt/rootsaidroboticselectronicsandtechnology
The working principle relies on IR sensors detecting the contrast between a dark and light surface, allowing the robot to adjust its movement accordingly. The L293D motor driver acts as the control unit, directing the DC motors based on the signals received from the IR sensors. With just a few components, we can assemble a functional robot that follows a predefined path without the complexity of coding.
To build this project, you will need a robot chassis, an L293D motor driver, two IR sensors, two DC motors, and a 9V battery for power. By the end of this tutorial, you will have a fully operational line-following robot, demonstrating how simple circuits can achieve autonomous movement. If you're eager to dive into the full circuit details and step-by-step instructions, check out the complete guide here. Additionally, for a deeper understanding of how IR sensors function, you can watch this explanatory video here.
@AtiumOfficial #altiumstories
