The 9 Best Arduino LEGO Projects

Combine your love of Arduino electronics and LEGO by building any of these awesome projects.

Love building blocks and tinkering with electronics? You’re in for a treat! We’ve compiled nine innovative projects that seamlessly blend LEGO's creativity with Arduino's power to bring them to life.

From a LEGO clock build to LEGO robots, these projects offer endless possibilities to enhance your DIY skills while having a blast. Read on to explore the nine best Arduino projects that’ll undoubtedly ignite your passion for crafting and inventing.

If you're a LEGO lover with a penchant for technology, this Hackster.io guide has an ideal beginner's project to perfectly blend your creativity and functionality. By combining LEGO bricks, an I2C LCD screen, a DS3231 real-time clock module, and Arduino programming, you'll create a unique clock that tells the time and adds a touch of personalized charm to your space.

Whether placed on your desk, shelf, or anywhere else, this LEGO clock is a surefire conversation starter showcasing your love for DIY electronics and LEGO building.

Have you ever wanted to unleash your inner hero and save the day? Build a rescue robot using Arduino Uno and Nano boards, LEGO Technic pieces, DC motors, a servo motor, and other components listed in this Instructables project.

While you may not use it in an actual emergency, your remote-operated rescue robot will undoubtedly come in handy when you need to reach small objects in tight spaces or when you’re too lazy to grab something in your kitchen. This project showcases your technical skills and provides a practical and engaging solution for real-world scenarios.

Have you ever wished you could gift your niece or nephew a truly innovative play toy? Build them the Arduino-controlled LEGO train in this Hackster.io project and they’ll forever remember your gift. By integrating Arduino into a LEGO train, you can pull off a toy train that stops at the station every time it passes, whistles as it departs, and switches from one track to another.

Besides creating a fun and innovative toy that kids will love, you’ll learn how to seamlessly integrate Arduino and LEGO power functions to bring motion, lighting, and interactivity to your creations. Check out some more intermediate DIY projects that robotics students can try out at school.

Have you ever wished you could immerse yourself in a nostalgic gaming experience while embracing your inner LEGO enthusiast? Look no further! With the Arduino Arcade LEGO Games Box project, you can combine the joy of classic electronic games with the creativity of LEGO building.

Using Arduino, LEGO, and various electronic components mentioned in this Hackster.io project, you can construct a custom arcade game box with a functional gaming console. Whether you're an adult seeking nostalgia or a parent looking to introduce your kids to the joys of retro gaming, this project offers the perfect blend of entertainment and creativity.

Imagine crafting your own wireless LEGO race car that zooms around with precision and speed! This Instructables tutorial will guide you through the process of building one. Built using LEGO Technic pieces, an Arduino board, a servo motor for front-wheel steering, and Bluetooth technology, the LEGO race car is a fun, interactive toy you’ll enjoy building while simultaneously enhancing your skills in electronics, programming, and LEGO design.

Whether you're a LEGO enthusiast seeking a new level of excitement or someone looking to combine tech and play, this wireless LEGO race car project offers the perfect blend of innovation and entertainment.

Do you have a pile of LEGO pieces waiting to be turned into something amazing? How about transforming them into a quirky and charming LEGO Stepper Bot? With the help of Arduino and two stepper motors, this project brings your LEGO creation to life, enabling you to remote-control it.

The Hackster.io guide provides clear instructions and guidance, making it an ideal project for beginners and experienced builders alike. Whether you want to impress your friends with a unique LEGO creation or explore the fusion of LEGO and technology, this Stepper Bot project offers a fantastic opportunity to combine play and innovation. If you want to explore more ideas for robots, take a look at these creative and fun DIY projects to get your feet wet in robotics.

Have you ever dreamed of living in a medieval castle with drawbridges, gates, and secret passages? While building an actual castle might be ambitious, you can still capture the essence of the olden days by creating your own LEGO castle with an Arduino.

You can even create it for your Frozen animation-loving niece or nephew. If you decide to design it for them, involve them in the process, so they can learn and enjoy how to construct with LEGO. See the Hackster.io guide and the YouTube demo above to learn the step-by-step process. Also, check out some more awesome toys you can make for kids easily at home.

Looking to save your work-from-home office desk from pen and pencil clutter? The LEGO and Arduino pincher project in this Hackster.io guide might be just what you need. Beyond being a motorized pen holder, this pincher arm lets you achieve a nearly impossible feat: combining LEGO with non-LEGO components. With detailed instructions and components such as a stepper motor and an Arduino board, you'll bring your robot to life and explore your engineering creativity.

If you’ve ever wanted to own a custom keypad for various applications, the LEGO keypad matrix in this Instructables project might get the job done. It can script shortcuts for your computer and makes navigating from one program to another a seamless affair. This build not only enhances your understanding of circuitry and coding but also allows you to craft a personalized solution to enhance your productivity while using a computer.

Each project above presents an opportunity to sharpen your technical skills and invites you to immerse yourself in innovative and engaging scenarios. So, embrace your inner builder, programmer, and inventor as you embark on these exciting DIY journeys.

Alan Blake holds a degree in microbiology and biotechnology. When he is not in the lab or traveling, you will find him tinkering with electronics or recycling/reusing stuff that would end up in landfills. He currently works as a DIY writer for MakeUseOf covering Arduino, reusing projects, how-tos, and a host of other exciting topics.