We've seen a lot of DIY home automation projects over the years, but Instructables user electronichamsters shows off one of the most complete systems we've seen yet. With it, you'll be able to monitor just about everything in your house. How Can I Get Started with Home Automation? How Can I Get Started with Home Automation? How Can I Get Started with Home Automation? Dear Lifehacker, I want to set up some basic home automation tasks but I've never done… Read more Read more
Time operated relay circuit is build using IC555. To display the time period in seconds 2-digit decade counter is build using CD4026 chip. Another IC555 is used to provide 1 Hz pulse to update time period after every 1 sec.