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1 points by givemeethekeys 2m ago 0 comments

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2 points by untilted 59m ago 0 comments

Show HN: Arduino traffic light(table-driven design)

1 chclau 1 8/22/2025, 6:39:06 PM resorte.neocities.org ↗

I started with a very simple Arduino project: two traffic lights controlling a junction (six LEDs).

I refactored it by using arrays and small, modular functions, so it’s easier to read, modify, and extend.

Comments (1)

chclau · 2h ago

Why refactor the code?: less repetition, clearer intent, easier to change timing/logic by editing a table instead of code paths.

Feedback welcome—especially ideas to extend it.

(This post is part of Resorte, a Spanish magazine (comics, hobbies, technical notes) inspired by Argentina’s legendary Lúpin. If you read Spanish, check it out.)