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using interrupt microcontroller 8051 2. Design an intrusion warning-system using interrupts that sounds a 400 Hz tone for 1 second (using loudspeaker connected to P1.7)

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2. Design an intrusion warning-system using interrupts that sounds a 400 Hz tone for 1 second (using loudspeaker connected to P1.7) whenever a door sensor connected to P3.2 makes a high-to-low transition

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