TRAFFIC LIGHT CONTROLLER USING 8051 MICROCONTROLLER PDF

Frank Donald July 28, 11 Comments. Microcontroller based Traffic light systems was one of the basic project that one can do with a microcontroller to understand its concepts and working. In this post i would like to share the hardware and program code of a Traffic light system using microcontroller with you all. The Red color was made to flash for 10 seconds and yellow, green were assigned glow for five seconds each. The above circuit uses a Common cathode 7 segment which have some unique characterstics. That is when ever the pin was made high the corresponding LED will glow.

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Frank Donald July 28, 11 Comments. Microcontroller based Traffic light systems was one of the basic project that one can do with a microcontroller to understand its concepts and working. In this post i would like to share the hardware and program code of a Traffic light system using microcontroller with you all. The Red color was made to flash for 10 seconds and yellow, green were assigned glow for five seconds each.

The above circuit uses a Common cathode 7 segment which have some unique characterstics. That is when ever the pin was made high the corresponding LED will glow. If the pin was low the corresponding LED will go into off state.

This was the working of the 7 segment. In the traffic light systems circuit the a,b,c,d …h pins of the 7 segment was arranged in order so i have connected it in a continuous manner. While you are connecting the 7 segment to the Microcontroller you have to connect the port pin P2. This is the way that the hardware should be constructed and now lets move into the programming part of the Microcontroller. The code of the above system was given below.

The include files of the program includes the registry files of the Microcontroller. The program was classified into four sections which is.

Initially the unsigned char array was given in the form of hex values. Totally there was ten number of elements in a array to display the numbers from 0 to 9.

Delay was given with each increments of the elements in the array by calling out the delay function. Hope i have explained this clearly. Hi Abhinav, Refer to the 7 segment pin diagram and connect from P2. Connect the rest of port pins to 7 segment in order b,c,d…f as such.

In description u mentioned ohm register value for LED nd in diagram u print ohm.. Regards Sajor Barrie. Thank u. Most reacted comment. Hottest comment thread. Recent comment authors. Notify of. Notify of all new follow-up comments Notify of new replies to all my comments. Abhinav Jaiju. Frank Donald. Sajor Barrie. I want to see working video kindly tell me how i can get its video? Amany Elghaisha.

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How To Control Traffic by Using 8051 Microcontroller

Frank Donald January 3, 71 Comments. LED , microcontroller. Traffic light system was one of the fascinating applications of Embedded systems and have been using the same till this day. This is the four way traffic light system using embedded systems which was bit complex in nature as we need to consider the traffic flow in four different directions providing appropriate timings to each of the lights. In this configuration the Microcontroller was used to sink the current from the LED to its ports. Here we are using 6 MHz crystal for the Microcontroller operation and you can use upto 12MHz crystal with this controller. As you can see in the above pin configuration there is two common ground pins, we can use any one of it.

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Traffic Light Control System using Microcontroller

Our project aims to Eliminate the delay on Roads by reducing Traffic on road automatically using Smart Systems. It determines traffic on each road by using sensors. Using that traffic information we can manage the signal time and handle the traffic on road. On each road we place IR sensors which detect the vehicle and give current traffic information on each road. The timing of signal is adjusted according to traffic level on each road. The road which has level more than other road then this road assign green signal and for others have red is assign.

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Intelligent Traffic Light Control System Using 8051 Microcontroller

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