Peak Hour Timer. Utility Gadgets.3


This is one of my most attracted Circuit published in Electronics for You Magazine September 2008 issue. The circuit is doing a great job. It automatically cut off the Fridge during the Peak hours from 6 pm to 9 pm saving lot of energy and money. After the peak hours, the Fridge will turn on automatically. Try it and  avoid the task of manually switching off the Fridge every day during peak hours.

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Music Bell with In / Out Indicator


Here is a simple Music Bell with  In and Out indicator. The bell as well as the display turns on for 2 minutes and stop automatically. The circuit uses the popular ROM IC UM66 to generate music tone and a common cathode 7 segment display to show In or Out.

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