Tinkercad Circuits and the Missing ‘M’: Bringing Mathematics Back to The Heart of STEAM
Did you ever ask yourself why so many students find math boring, confusing, or even scary? In today’s education world, everyone talks about STEAM—Science, Technology, Engineering, Arts, and Mathematics—but often, the “M” seems like it doesn’t belong. It’s like math is invited to the STEAM party, but no one wants to dance with it. Now imagine this: What if we could use fun, hands-on projects that make math come alive? What if students could see, touch, and play with math? That’s exactly what Tinkercad Circuits offers. It’s not just a tool to make lights blink—it’s a powerful platform to explore math in action.

In this article, I’ll show you how I turned boring formulas into exciting projects using Tinkercad, and how any student, anywhere, can discover the real power of mathematics through circuits, code, and creativity. We’ll look at real classroom examples, personal stories, and tips for how you can start building your math-powered inventions today.
What is TINKERCAD Circuits, and Why Should You Care?
Tinkercad Circuits is a free online tool where you can build and test electronic circuits without needing any physical parts. It’s great for beginners, but don’t let that fool you—it can do a lot more than just basic projects.
You can create:
- Smart traffic lights
- Robots with sensors
- Temperature alarms
- Solar Panel Tracking Sunlight
- AI-inspired signal readers
- And yes… you can even simulate how a 6-axis robot would move!
And while you’re doing all this, guess what you’re using behind the scenes? Math. Loads of it. From simple addition to complex control algorithms, Tinkercad gives students a place to use math without even realizing it at first. Moreover, it’s like playing a video game and learning calculus without noticing.

Real Stories: From Zero To Circuit Hero
Let me tell you a quick story. Years ago, during a national STEAM workshop, participants were split into teams, and each group included a math teacher. Most teams didn’t know what to do with them. “Math is boring,” they thought, “Let’s build something fun and flashy instead.”
But in our group, we did it differently. I asked the math teacher to design a control system using PID (Proportional-Integral-Derivative) theory. That math helped us balance a robotic arm more accurately than any other group.
We won the competition, not because we had better tools, but because we knew how to use math smartly. Hence, that’s the power of mathematical thinking when it’s connected to real-world challenges.

Where Math Hides in Every Circuit
Here’s the cool part: Every project in Tinkercad uses math, even if you don’t notice it.
- LED Blinking: You’re learning timing, patterns, and loops (algebra in disguise!).
- PWM Dimming: You play with frequency, duty cycle, and percentages.
- Segment Display: You use binary numbers, modular math, and logic gates.
- PID Control: Eventually, you explore calculus ideas in real time.
- Code Optimization: You apply variables, logic, and mathematical decision-making.
In one of my classes, we used a 7-segment display to count up and down. We talked about how many wires it takes, what happens if one wire is missing, and how the numbers are coded. Students realized they were using logic tables and binary math without even opening a textbook.

We even explored how adjusting delays and loop times could make the display faster or slower, linking programming with speed, ratios, and time calculations.
From Simulation To Reality: Math in Motion
One of the best parts of Tinkercad is that it lets you test your ideas safely. You can make mistakes, fix them, and try again—just like in real life. Once your virtual circuit works, you can take that same code and use it on a real Arduino board.
Thus, this makes learning math and programming feel real and useful. Students see that changing a number in code affects how a motor moves or how bright an LED becomes. It’s instant feedback—something math classes often miss.
Also, by building and testing before buying hardware, schools save time and money. That means more students can participate, even in schools without big tech budgets. This makes Tinkercad a true equalizer in STEM education.
Why Most STEAM Programs Still Miss The ‘M’
Even in advanced programs like gifted centers or national robotics camps, I’ve seen math treated as an afterthought. Curricula include Tinkercad, but teachers often don’t use its real power. Students learn to connect wires but don’t know why things work. That’s where we lose curiosity.
The truth is, STEAM isn’t just about building robots—it’s about understanding how and why they work. And math is the language of that understanding.
So, what if we changed the game?
- What if every student had to explain their code using mathematical logic?
- What if circuit design became part of math class?
- What if we trained teachers to use Tinkercad not just as a tool, but as a thinking lab?
Therefore, it’s not about adding more math classes—it’s about adding more math thinking to every project.
Advice For Curious Young Minds
If you’re a student who loves tech but isn’t sure about math, give it another shot. Build a circuit. Make something move. Then ask: What math is hiding here?
Try to:
- Change the speed of a blinking light and measure the pattern.
- Build a timer using only code and compare it to real-world clocks.
- Create a system that reacts to light or sound and graph the results.
Math is not just about answers—it’s about making things work better. And when you use it in your project, it suddenly becomes your superpower. Hence, it helps you build smarter, solve faster, and think clearly.
Classroom Activity Ideas: Hands-On Math With Circuits
Here are three project-based activities or tasks that blend math, electronics, and creativity:
Activity 1: Build a Digital Stopwatch
- Objective: Use Arduino code to create a stopwatch that counts in seconds.
- Math Link: Teach how milliseconds convert to seconds, how loops work, and how counting intervals function.
Task 2: LED Bar Graph with Sensor Input
- Objective: Connect a light sensor to control how many LEDs light up.
- Math Link: Use proportional reasoning and if-statements to match input voltage ranges to LED segments.
Activity 3: Temperature-to-Color Converter
- Objective: Use a temperature sensor and an RGB LED to create a color-coded thermometer.
- Math Link: Introduce linear equations, mapping temperature values to RGB intensity levels.
Each of these projects gives students a tangible way to experience how math powers smart systems. Also, helps them understand that behind every automated action is a pattern, a formula, and a function.

From Math Class To Maker Culture: Expanding The Vision
Math shouldn’t stop at the school gate. Students who fall in love with making things can take what they learn far beyond the classroom. Through platforms like Tinkercad, young makers are now sharing their projects online, joining coding communities, and entering robotics competitions. Hence, even collaborating globally.
I’ve seen this firsthand. Also, I have worked with over 98 online groups and communities, from educators to engineers. I’ve helped students publish their projects on GitHub, prepare for science fairs, and even present at national tech expos. One student turned a Tinkercad timer into a real-world traffic controller. Another built a weather station and shared the data live online.
The point is this: Math becomes exciting when it’s a launchpad. When students see it as a tool to build, share, and connect, they become creators, not just consumers.
So, whether it’s a local maker fair, a school STEM club, or an online hackathon, let’s encourage students to bring their circuits—and their math—into the world.

Conclusion: Make The ‘M’ Matter Again
Mathematics has always been the quiet engine behind technology. Tools like Tinkercad Circuits help us hear its voice again. They bring math to life—not as a formula on a board, but as a light that blinks, a motor that turns, or a robot that thinks.
Let’s make sure math isn’t the forgotten letter in STEAM. Hence, let’s make it the force that drives innovation, discovery, and joy in learning. Not someday. Today. Starting with you.
So, what are you waiting for? Open Tinkercad. Make something. And let math do the magic.
References
- Eryilmaz, S., & Deniz, G. (2021). Effect of TinkerCad on students’ computational thinking skills and perceptions: a case of Ankara province. In The Turkish Online Journal of Educational Technology, TOJET: The Turkish Online Journal of Educational Technology (Vol. 20, Issue 1) [Journal-article]. https://www.tojet.net
- Grelewicz, P., Khuat, T. T., Czeczot, J., Nowak, P., Klopot, T., & Gabrys, B. (2023). Application of machine learning to performance assessment for a class of PID-Based control systems. IEEE Transactions on Systems Man and Cybernetics Systems, 53(7), 4226–4238. https://doi.org/10.48550/arXiv.2101.02949
- Lawrence, N. P., Forbes, M. G., Loewen, P. D., McClement, D. G., Backström, J. U., & Gopaluni, R. B. (2022). Deep reinforcement learning with shallow controllers: An experimental application to PID tuning. Control Engineering Practice, 121, 105046. https://doi.org/10.1016/j.conengprac.2021.105046
Additionally, to stay updated with the latest developments in STEM research, visit ENTECH Online. Basically, this is our digital magazine for science, technology, engineering, and mathematics. Furthermore, at ENTECH Online, you’ll find a wealth of information.



