Smart Traffic light System Course
Aged 8+
3 hours
Block Coding
Computational Thinking
This course introduces key STEM concepts by offering a dynamic, team-based learning environment. Participants will engage in hands-on activities, utilizing tools such as IR distance interrupters and LEDs, to create an intelligent traffic light system. Dive into the practical applications of STEM and gain valuable collaborative skills in the process.

Learning Objectives:

  • Understand the workings of real-time traffic light systems.
  • Create a smart traffic light with micro:bit, IR sensors, and LEDs.
  • Learn to synchronize two traffic lights, both wired and wirelessly.

Course Outline:

  • Introduction of real-time traffic light system
  • Assemble smart traffic lights and sensors
  • Setup wired connection
  • Setup wireless connection
  • Test and build your smart city!


  • None

Software Requirements:

  • Una Virtual Classroom - Intermediate / Microsoft MakeCode

Hardware Requirements:

  • Tablet/Notebook/Desktop
  • Micro:bit V2 x 2
  • DFRobot micro:Driver - Driver Expansion Board for micro:bit x2
  • 3xAA Battery Holder x 2
  • IR distance interrupter x 2
  • LED
  • Supporting materials


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