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MoonCampaign by Samarth (7 years)
I’m presenting my traffic light system project using a Micro:bit and MLBB board with RGB LEDs. The system simulates real traffic lights: red means stop, yellow means slow down, and green means go. I used MakeCode to program the Micro:bit, including blocks like on start, forever, show LEDs, and show string. This project helped me learn how real-world traffic lights work and how coding controls electronic components.
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Moonpreneur STEM Program Student
Project Name: Traffic Light
Skills
Arduino programming, sensor integration, conditional logic, product design, and more
Category
Show n Tell
MoonCampaigns highlight student's creativity, public speaking, presentation skills, and teamwork, with an impressive track record that speaks volumes. MoonCampaigns, through quarterly Show & Tell, highlight thousands of inspiring learning stories from Moonpreneur students worldwide.
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Minutes of Visual Content
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parents observed transformational changes in their ward's STEM knowledge and leadership skills
Parents Reported Increased Confidence in their child
I am excited to share my traffic light system project. This project uses a Micro:bit connected to an MLBB board with RGB LEDs to simulate real-life traffic signals.
In real traffic systems, red lights mean stop, green lights mean go, and yellow lights signal caution. I programmed the Micro:bit to replicate these signals using MakeCode. My code starts with an on start block, which runs once to initialize the program. Then, a forever block loops the actions continuously, making the lights cycle just like real traffic lights.
I also used show LEDs to design patterns on the 25 LEDs and show string to display words like “Traffic Lights” on the Micro:bit screen. To make it interactive, pressing the logo triggers the sequence: first, a red LED turns on for stopping, then a yellow LED for caution, and finally a green LED for going. I added pauses between each light so the sequence is clear and easy to follow.
During the demo, the red LED appeared first, followed by yellow, and finally green, staying on until the end. Using this project, I learned how to combine coding and electronics to mimic real-world systems. It was exciting to see the Micro:bit control the LEDs just like a real traffic light, and it gave me a better understanding of both programming and traffic safety.
See what people around the world are saying about Samarth innovative
Traffic Light project
WEF's Future of Jobs Report 2025 reveals that 40% of employers expect to reduce their workforce where AI can automate tasks . While AI is projected to create 69 million new jobs globally by 2030, it will simultaneously eliminate 83 million positions, particularly in clerical, administrative, and routine cognitive roles. The message is clear: routine tasks are being automated, but critical thinking and communication skills cannot be replaced.
Critical Thinking & Analysis
Rated by 78% of business executives as the most important skill they seek, yet only 34% of college graduates arrive well-prepared in this area
Communication Skills
Essential for collaboration, innovation, and leadership in STEM fields
Problem-Solving
The ability to break down complex, unprecedented challenges and devise creative solutions
Adaptability & Resilience
Mental agility to assess new situations and pivot strategies in rapidly changing environments
When students (ages 7-16) build projects, they're not just learning to code, they're developing the future-proof skills that AI cannot replicate:
Technical Skills:
Arduino programming, sensor integration, conditional logic, and hardware troubleshooting
Critical Thinking:
Analyzing real-world safety problems, designing solutions, and debugging when things don't work as expected
Communication:
Articulating their process, presenting their work, and explaining complex technical concepts in accessible language
Digital Marketing & Entrepreneurship:
Showcasing their innovations publicly, building their personal brand, and learning to pitch their ideas
Problem-Solving:
Overcoming challenges like mixed-up variables and incorrect responses through systematic troubleshooting
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