Friday, October 5, 2018

Traffic light using 4017 and 555

Traffic light using 4017 and 555

Traffic light using 4017 and 555

Parts List:
IC555
IC4017
Transistor 2N2222 or any other NPN(3pcs)
Red 3mm LED(35pcs)
Yellow 3mm LED(35pcs)
Green 3mm LED(35pcs)
Potentiometer 1M
Resistor 100K
Resistor 200R 1W
Resistor 1K(3pcs)
Capacitor 10uF 16v
Diode 1N4007 or 1N4148 (9pcs)

Circuit:

Traffic light using 4017 and 555


Traffic light using 4017 and 555

Note: 
Use 3mm LEDs only

Gerber File:

Video: