sheldonstv New Member Jul 4, 2007 #1 this is part of my 4way cctv camera switcher,which uses a 4017 and relays to switch 4 cameras to 1 monitor......... Attachments switcher40172.jpg 67.2 KB · Views: 434 Last edited: Jul 4, 2007
this is part of my 4way cctv camera switcher,which uses a 4017 and relays to switch 4 cameras to 1 monitor.........
sheldonstv New Member Jul 5, 2007 #3 this circuit has been in use now for quite a few years and it works well.......