14 3
5. While Swl remains CLOSED the Circuit uses virtually no current. When the switch is OPENED the Buzzer produces a series of beeps at 3 to 5 second inte^als. This increases battery life.
R5 & C2 set the length of the beeps; R4 & C2 the delay between them. A Cmos 4001 CANNOT be used for this Circuit.
6. While Swl remains OPEN the Circuit uses virtually no current. When the switch is CLOSED the Buzzer produces a series of beeps at 3 to 5 second inte^als. This increases battery life.
R5 & C2 set the length of the beeps; R4 & C2 the delay between them. A Cmos 4001 CANNOT be used for this Circuit.
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