Fridge-Door Open Alarm Circuit Project Circuit Diagram
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![](https://www.learningelectronics.net/circuits/images/fridge-door-open-alarm-circuit.jpg)
![](https://circuits-diy.com/wp-content/uploads/2020/03/fridge-door-alarm-circuit-using-ne555-timer-1024x702.png)
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![](https://circuitdigest.com/sites/default/files/circuitdiagram/fridge-door-alarm-circuit-using-555-timer-and-LDR.png)
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![](https://www.eeweb.com/wp-content/uploads/articles-articles-9-b-1366313149.png)
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![](https://www.eleccircuit.com/wp-content/uploads/2020/05/Simple-Refrigerator_fridge-Door-Alarm-circuit.png)
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![](https://preview.redd.it/465imwgs6qd61.png?width=439&format=png&auto=webp&s=13379198c97b4d045b3ec43494297fb202c787f6)
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