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Door Opening Alarm / Alert Circuit from www.electroschematics.com
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Temperature Alarm Circuit With Op Amp.
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Web A Simple Security Alarm Circuit When We Press Switch S2, The Same Situation Occurs.
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With Minimal Effort, You Can Build Your Own Circuit And Customize Its.
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The Circuit Can Be Used As A Laser Door Alarm, Laser Motion Detector, Laser Proximity Sensor, Trip Wire Alarm And For Other.
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