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ElectricJ writes - "This is a simple alarm that I made so that it would go off when the temperature of a deep freezer or other similair appliance got above a certain temperature in degrees. I thought that this would help by giving you a little bit of indication of when it was time to move your food before it went all bad." - Link.
DIY High heat alarm
Posted by Phillip Torrone |
Jul 30, 2006 01:11 AM
DIY Projects, Electronics, Instructables |
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