Organize and Share your Electronics the way you want. Sign-Up for a free account now. It takes only 30 seconds!
Special Function Timer Circuits (LM555)
Designed to time a sports event; In this circuit the GREEN output is adjusted to be on for 3 minutes and then the RED output is set for 1 minute in a repeating cycle. Each time the light changes a buzzer will sound for about 2 seconds.