Traffic Light
ReadyThree LEDs on a breadboard: red, yellow, green, in an order that never slips.
20 minBeginner5 steps4 parts
What you'll learn
- Digital pins
- Timing and reaction
- Conditional logic
Build steps
- Check your kit2 min
- Bring ground to the breadboard3 min
- Build the red lamp6 min
- Repeat it twice6 min
- Upload and watch the order3 min