Traffic Light Controller

Learn output timing by controlling red, yellow, and green LEDs.

Learning Goal

This project teaches digital outputs, delays, and step-by-step logic. It is a great first Arduino project after Blink.

ArduinoLEDsTimingBeginner

Sequence

  1. Red ON for 5 seconds.
  2. Yellow ON for 2 seconds.
  3. Green ON for 5 seconds.
  4. Repeat the cycle.