Traffic Lights

Aim

The goal of this activity is to demonstrate a simple traffic lights controller.

Materials Required

  1. Arduino UNO R3 – 1
  2. USB Cable -1
  3. Several Jumper Wires
  4. Red LEDs – 4
  5. Yellow LEDs – 4
  6.  Green LEDs – 4

Wiring Diagram

Desired Outcome

Traffic can be automatically controlled by using four different sets of traffic lights(LEDs).