Step through everyday stories in code. The yellow glow shows the line Ardu is running right now; faded lines are skipped.
Drag the sky from day to night. Change the threshold and watch which part of the if statement runs.
In our sensor, darker means a bigger number, from 0 (bright sun) to 1023 (pitch black).
Drive the car towards the wall. Ardu checks the questions in order and runs the first one that is true.
Read the code, then choose what Ardu will do. Ten rounds. Watch out for tricky ones like 30 > 30!