555 Adjustable Delay On Off Timer Circuit

TheBlackDonB to Home Automation@selfhosted.forumEnglish · 10 months ago

I created a 555 Adjustable Delay On Off Timer Circuit. This timer circuit is useful when you need to power On/Off any AC Appliances after a pre-defined duration. For example, you can use this circuit to automatically turn off a mobile charger after a certain period of time to avoid over charging, or you can turn on/off a light bulb after a certain period.

The time delay of this circuit can be adjusted by using various combinations of resistors and capacitors.

Here are the video and blog post links:

Video: https://www.youtube.com/watch?v=AB8XjBGvlPY

Blog: https://diy-projects4u.blogspot.com/2023/11/555-Adjustable-Delay-Timer.html

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Home automation is the residential extension of building automation.

It is automation of the home, housework or household activity.

Home automation may include centralized control of lighting, HVAC (heating, ventilation and air conditioning), appliances, security locks of gates and doors and other systems, to provide improved convenience, comfort, energy efficiency and security.

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