Time Delay Relay by 555

A time delay relay is a relay that stays on for a certain amount of time once activated. This time delay relay is made up of a simple adjustable timer circuit which controls the actual relay. The time is adjustable from 0 to about 20 seconds with the parts specified. The current capacity of the circuit is only limited by what kind of relay you decide to use.

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This entry was posted on Wednesday, June 11th, 2008 at 11:08 pm and is filed under 555, Timer. You can follow any responses to this entry through the RSS 2.0 feed.