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Build a Freezer Alarm Circuit

Build a Freezer Alarm Circuit

By Roger Secura    View In Digital Edition  


I’m not sure if it’s absent mindedness or just old age, but sometimes I’ll forget to close the food freezer lid after shopping for groceries. With food prices seemingly going up every three days, there’s really no good time to lose a pile of food because of a simple mistake. This article describes my solution to the freezer problem.

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