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Traffic Light Controller Circuit Using Arduino

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TRAFFIC LIGHT CONTROLLER USING ARDUINO
We all are familiar with the Arduino.It is one of the most popular open source micro controller boards, which is highly useful for DIY projects.
Here we are using bread board,resistors, LEDs of 250ohms.A breadboard is used for connecting the components with the Arduino.
Breadboard is a simple plastic board which is used for prototyping. Breadboard does not require soldering.It is reusable.
LED-Light emitting diode
Resistor-It is a passive two terminal electrical component that implements electrical resistance as a circuit element.In electronic circuits ,resistors are used to reduce current flow,adjust signal levels,to divide voltages,bias active elements and terminate transmission lines,among other uses.
LED connection in the circuit:
The cathode of the LED is connected to the ground rail of the breadboard.The anode of the LED is in connection with the resistors which are included in the circuit.Similarly all the LEDs and their respective resistors are also connected.
The resistors’ terminal one is connected to digital pin of Arduino and also the terminal two is connected to the LEDs’ anode.The other resistors and LEDs are also connected like this.
Now start with the block coding by setting the delays for each LED,there by making the LEDs blink according to the delays as per the coding pattern.This is how traffic controller is designed.
We all are familiar with the Arduino.It is one of the most popular open source micro controller boards, which is highly useful for DIY projects.
Here we are using bread board,resistors, LEDs of 250ohms.A breadboard is used for connecting the components with the Arduino.
Breadboard is a simple plastic board which is used for prototyping. Breadboard does not require soldering.It is reusable.
LED-Light emitting diode
Resistor-It is a passive two terminal electrical component that implements electrical resistance as a circuit element.In electronic circuits ,resistors are used to reduce current flow,adjust signal levels,to divide voltages,bias active elements and terminate transmission lines,among other uses.
LED connection in the circuit:
The cathode of the LED is connected to the ground rail of the breadboard.The anode of the LED is in connection with the resistors which are included in the circuit.Similarly all the LEDs and their respective resistors are also connected.
The resistors’ terminal one is connected to digital pin of Arduino and also the terminal two is connected to the LEDs’ anode.The other resistors and LEDs are also connected like this.
Now start with the block coding by setting the delays for each LED,there by making the LEDs blink according to the delays as per the coding pattern.This is how traffic controller is designed.
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