When it comes to the complex task of controlling traffic in developed cities, traffic signals play a vital role. Installing a traditional traffic light control system can be an expensive and time-consuming process. But thanks to the advancement of technology, it is now possible to install a more efficient traffic light control system using Arduino.
The Arduino is a low-cost open-source microcontroller platform, which allows for simple and powerful programming. It is used in a variety of different applications such as robotics, automation, and of course, traffic signal control. One such circuit diagram for traffic light control system using Arduino is presented here.
This diagram comprises of seven main components - an Arduino Uno board, a 170 point breadboard, three LED’s(red, yellow, and green), three resistors (220Ω, 470Ω & 4.7KΩ), one push button and two male-to-male jumper cables. Once all the components are connected correctly, the Arduino code can be uploaded to the microcontroller. This code will control the LED’s according to the state of the push button. When the button is pressed, the LED’s will start flashing in a sequence simulating the traffic lights.
By using Arduino, the development cost and time taken to set up a new traffic light control system would be significantly reduced. Moreover, its features such as timers, infrared sensors, motion detectors and sound sensors can be used to customize the traffic light control system according to user’s preferences. Hence, if kept well maintained, a traffic light control system built with Arduino can provide an effective solution to manage traffic in crowded roads.
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