14 4
7. While Sw 1 remains OPEN the Circuit uses virtually no current. Every time Swl is CLOSED the Buzzer will sound for 3 to 5 seconds. The length of time depends on R2 & C2.
A Cmos 4001 MUST be used for this Circuit.
8. While Swl remains CLOSED the Circuit uses virtually no current. Every time Swl is OPENED the Buzzer will sound for 3 to 5 seconds. The length of time depends on R2 & C2.
A Cmos 4001 MUST be used for this Circuit.
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