The Planted Tank Forum - View Single Post - Anybody got a handle on a good interval timer?
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post #12 of (permalink) Old 02-07-2013, 07:34 PM
Are these real?
Wasserpest's Avatar
Join Date: Jun 2003
Location: Monterey, CA
Posts: 15,380
There are delay timer kits available that you can re-use for this purpose.

Here is one example:

I ordered a few similar ones from a different place some years ago, I remember they were less than $10 a pop though.

You can connect these to a relay, which in turn will switch off and on things, like for example a power strip. You need to read up to make sure they will work for this purpose, as there are variations of them.
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