The yellow light is like a buffer. Going from green to red would cause avoidable accidents. Imagine you were already in the intersection when the light turns red, and there is an oncoming speeding vehicle. It would be almost impossible to avoid an accident. What Do The Arrows In Traffic L...
By using a virtual wire, connect pin number 3 to the intersection between the two 1 kiloohms resistors. 10 Connect the LED light. Connect the positive side of the LED to one of the leads of the 100 ohms resistor. Connect the second lead of the 100 ohms resistor to the common ground....