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  • ZhongFeng Electronic Technology Co., Limited

  •  [Guangdong,China]
  • Business Type:Manufacturer
  • Main Mark: Americas , Asia , Europe , North Europe , Oceania , West Europe , Worldwide
  • Exporter:71% - 80%
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ZhongFeng Electronic Technology Co., Limited

Home > Video > Video Display > Programming a TRAFFIC LIGHT CONTROL system using an AVR ATmega8 microcontroller

Programming a TRAFFIC LIGHT CONTROL system using an AVR ATmega8 microcontroller

The hardware structure of the project is a model of 4 East/West streets intersecting with a North /South street. The purpose of the project is to control all traffic signal lights installed on all traffic signal boxes. The code is written in Codevision C and simulated with proteus software.
1-Supply voltage 5 V DC @ 1 A
2-An AVR ATmega8 micro controller is used as the main controller
3- Main PCB has all push-buttons, feed seven segment display PCB with data etc.
4-System has one (two digits) LED numerical display to show speed of a car passing between two IR sensors.
5-It has one (six digits) LED numerical display to show the current Time and Date.
6- The system makes use of IR sensors to calculate speed of a passing car
7- 34 LED traffic light signal indicators
8- Turning on off cycle of all traffic signal lights is such if speed of a passing car is 30 km/ hours, the driver receives green light at each intersection located on the main street.
9-Every day, From 24 PM to 7 AM , system functions on its  Emergency mode automatically, (E/W streets blinking red signal lights,  main street intersections, yellow blinking signal lights).
10-By depressing the Emergency button, the system is forced to function on its Emergency mode.
11-3 push buttons installed on main PCB for emergency mode and setting current Time and Date.
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Thanks for watching my project in action
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