Project Description
Traffic light controller helps to manage the traffic and to maintain proper traffic management. These systems are placed at the intersections of the road or at the crossings to avoid congestions and accidents. The systems indicate to the driver by using different colors of light. Therefore, it is simple to avoid congestion at the intersections.
Pin Connection
- Connect all LED’s GND pin to GND through 220ohm resistors
- Connect 1st Red LED +ve pin to Arduino pin 8
- Connect 2nd Red LED +ve pin to Arduino pin 5
- Connect 3rd Red LED +ve pin to Arduino pin 2
- Connect 1st yellow LED +ve pin to Arduino pin 9
- Connect 2nd yellow LED +ve pin to Arduino pin 6
- Connect 3rd yellow LED +ve pin to Arduino pin 3
- Connect 1st Green LED +ve pin to Arduino pin 10
- Connect 2nd Green LED +ve pin to Arduino pin 7
- Connect 3rd Green LED +ve pin to Arduino pin 4
Circuit Diagram
Package Includes
- Arduino Uno
- Uno Cable
- Small Breadboard
- LEDs (Red*3, Yellow*3, Green*3)
- Resistor (220 Ohm*3)
- Male to Male Jumper Wires
- 9V Battery
- Battery Snapper Connector
Tutorial Link
https://zbotic.in/traffic-light-controller-by-using-arduino/
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