LED Flasher Chaser Circuit with or Without IC

[Aman bharti]

 

http://www.circuitspedia.com/blinking-led-flasher-circuit-diagram-with-555/

http://www.circuitspedia.com/simple-5-led-blinker-flasher-circuit-blinking-led-running-chaser-light/

17 LED Sequencer/Flasher Circuit using 2 Counter ic 4017

Dual colour led flasher circuit

For more circuit go to circuitspedia.com

 

[audioguru2]

Using a single color red LED:

A CD4017 powered from 9V can output 16mA into a 2V red LED on each output which is enough to burn out its output transistors. Use 150 ohm series current-limiting resistors to share the heat.