Скачать или смотреть 4 Way Arduino Traffic Light Controller

An Arduino Traffic Light Controller is a simple and popular project that demonstrates how to control traffic lights using an Arduino board. It simulates a basic intersection with traffic lights and pedestrian signals. The controller typically has three main components: the Arduino board, the traffic lights, and some additional components for input and output.

Here's a basic overview of how the Arduino Traffic Light Controller works:

Arduino Board: The heart of the project is the Arduino board, such as Arduino Uno or Arduino Nano. The board acts as the brain and executes the programmed code to control the traffic lights.

Traffic Lights: The traffic lights used in this project are usually standard LEDs representing the red, yellow, and green lights for vehicles, as well as a separate LED for pedestrian signals (walk and stop).

Input Components: The project might include some input components for user interaction, like buttons or sensors. For example, a pedestrian button to request the pedestrian signal to turn on.

Output Components: The output components are the LEDs used to display the traffic signals for both vehicles and pedestrians.

Circuit Connections: Connect the LEDs for traffic lights and pedestrian signals to appropriate digital pins on the Arduino board. Also, connect input components like buttons or sensors to the board's digital pins.

Programming: Write the Arduino code that controls the sequence of the traffic lights and handles the input from the pedestrian button (if included). The code will define the timing and logic of how the lights transition from red to green, yellow, and back.

Traffic Light Sequence: Typically, the traffic light sequence follows a specific pattern, such as:

Green light for one direction (let's say North-South) with red lights for other directions (East-West and pedestrian).
Transition to yellow, indicating that the light will soon turn red.
Red light for North-South, and green light for East-West and pedestrian crossing.
Transition to yellow again.
Repeat the cycle.
Pedestrian Signal Handling: If a pedestrian button is included, the code should handle the pedestrian request by ensuring a safe interval for crossing the road. It may interrupt the regular traffic light sequence to provide a dedicated signal for pedestrians.

Delay and Timing: The code must include appropriate delays to control how long each light stays on before transitioning to the next. Delays ensure that the lights remain in each state for a specific duration.

Loop: The Arduino continuously executes the loop() function, which contains the main traffic light control logic. The loop keeps running indefinitely, simulating the traffic light operation at the intersection.

Once the programming is complete, you upload the code to the Arduino board. It will start running the traffic light control algorithm, simulating the functioning of a traffic light controller you might see at a real intersection.

Keep in mind that this is a basic overview, and the actual complexity and features of an Arduino Traffic Light Controller can vary depending on the specific project and the additional functionalities implemented.
Working of Arduino Traffic Light Controller
This project is done to give you an idea of how the traffic light controller works. This is not the real time traffic light controller.

So at start, green light of signal 1 and red lights at other signals will light up to give time to the vehicles at signal 1 to pass.

After 5 seconds, the yellow light at signal 1 will light up to give an indication that the red light at signal 1 is about to come up and also to give an indication to the vehicles at signal 2 that the green light is about to light up.

So after 2 seconds, red light at signal 1 will come up and green light at signal will come up meaning vehicles at signal 1 must stop and vehicles at signal 2 can move.

Similarly the traffic light controller will work for the signal 3, signal 4 and the system will keep looping.

for Arduino mega code : -
https://create.arduino.cc/projecthub/...
(4 Way Arduino Traffic Light Controller)



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