Traffic light using 4017 and 555
You can order this PCB from PCBWay:
https://www.pcbway.com/project/shareproject/Traffic_Light_using_4017_and_555_IC.html
Circuit and parts list: https://mousa-simple-projects.blogspot.com/2018/10/traffic-light-using-4017-and-555.html

#Traffic_Light