This circuit is an LED Chaser with 17 LEDs by using dual IC 4017.
The circuit working with voltage range from 5V to 15V.
Parts list:
IC 4017(2pcs)
IC 555
LED (17pcs)
Transistor 2N2222
Transistor 2N3906
Capacitor 100nF
Capacitor 220uF
Capacitor 1uF
Potentiometer 500K
Resistor 20K
Resistor 2K(3pcs)
Resistor 1K
Resistor 51 ohm (2pcs)
IC Socket 8dip
IC Socket 16dip(2pcs)
Circuit:
You can download the Gerber file of this PCB from here:
Video:
In this video you can see how the circuit works.
