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Continue to ChatLesson 3: Following the edge of a Black Line (Scratch) https://stemrobotics4all.org/ev3-programming/scratch-for-ev3/lesson-3-following-the-edge-of-a-black-line-scratch/
Lesson 3: Following the edge of a Black Line (Scratch) https://stemrobotics4all.org/ev3-programming/scratch-for-ev3/lesson-3-following-the-edge-of-a-black-line-scratch/