LED Flasher Light Using 555 Timer IC |

Hey geeks, hope you are doing fine. Did you know what is a flasher light is? If not, this article is for you in which we will make a LED flasher light using 555 timer IC. A flasher light is used in emergency vehicles so that everyone can see them coming and free the way. They are also used for sending emergency signals (SOS). The lights are available in different colors, but all red colors are used universally because it has a high wavelength and can be spotted easily. You can also check out our projects based on IoT.

About the Project

This project is a LED flasher light circuit in which we are using LEDs of two different colors. The LEDs are flashing one after another in such a way that you can spot the flashing lights from a good distance. The detailed connections for the project are given below. You can check touchless water tap using Arduino made by us. You can change the speed of flashing by replacing the 1 Uf capacitor with higher values.

Components Required

Please use the components with their correct values as mention below.

  • Two 555 Timer IC
  • Two red color LEDs and two green color LEDs
  • Two 1M-ohm and 6.8K-ohm resistors
  • 1 Uf capacitor
  • 100 nano farad capacitor
  • small pieces of connecting wire and a breadboard
  • 5-volts battery

Circuit Diagram for the Project

led flasher light

555 led flasher circuit

Place a 555 timer IC on the middle of the breadboard. Use small pieces of copper wire to make the connections neat. Connect pin number 8 of the IC to the positive rail and pin number 1 to the negative rail of the breadboard. Join pin numbers 2 and 6 with each other. Similarly, connect pins 4 and 8 with each other. Now place a 1M-ohm resistor between pin 3 and pin 6. Take a 1Uf capacitor and connect its positive leg with pin number 2 of the IC and negative leg with the negative rail of the breadboard. Place one more 555 timer IC on the breadboard and repeat the same connections for it as shown in the diagram. Connect a 100 nano farad capacitor between pin number 2 of the IC and the negative rail instead of 1 Uf capacitor for the second 555 IC. Make a parallel connection of all the LEDs of the same color and connect their negative terminal with pin number 3 of the second timer IC. Join their positive terminal with pin number 3 of the first-timer IC through a 6.8K-ohm resistor. Now make another parallel connection with LEDs of different colors and connect it the same way with both of the IC’s.

Final Look of the Project

Connect the power supply of 5-volts to the positive and negative rail of the breadboard. Now the LEDs start flashing like an emergency siren.

led flasher light

led flasher light

We hope that you like this project and now try to make it once. While making this project if you face any errors, feel free to ask doubts in the comments section below. Check the latest tutorials on Arduino and Raspberry Pi written by us.