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Mini Arduino Traffic Light – Snap-Fit 3D

🚦 Mini Arduino Traffic Light – Snap-Fit STEM Model (Fresh Upload!) Hey MakerWorld friends! I just published my Mini Arduino Traffic Light design. It’s tiny, prints fast, and makes a perfect “wow” demo for classrooms, clubs, or your maker…

Downloads: 90
Likes: 7
Rating: 0

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Printableskocyunus

DIY Reaction Timer – Arduino MAX7219 Reflex Meter

# DIY Reaction Timer ⚡⏱ Measure your reflexes in milliseconds! This pocket‑sized device pairs an **Arduino Uno**, a **MAX7219 8 × 8 LED matrix**, and a single push‑button inside a snap‑fit, screw‑free case. --- ## How It Works 1. Press…

Downloads: 10
Likes: 3
Rating: 0

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