Spike Prime - Intersection

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Let's begin

Note: this robot requires one additional color/light sensor (two in total). Drawing...



model of vehicle


intersection finding robot intersection finding robot

Building instructions:

Download building instructions:

Download stud.io model:



  • left motor - B
  • large motor - C
  • right motor - D
  • closer light sensor - E
  • front light sensor - F


Main program



Measure, analyze, think

  • Make your own recording
  • Perform measurements with your model and discuss in your group what has happened.

Explore and modify

  • intersection


  • Experiment with different angles. Are results always equally accurate?
  • Can the robot find the intersection when the line really intersect too? Why?
  • Think about what could go wrong - when will the program not work? Try to demonstrate.

Additional resources