OFF Delay Timer Circuit Using 555 IC | Simple Electronics Project
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OFF Delay Timer Circuit Using 555 IC | Simple Electronics Project
This is a simple OFF-delay timer circuit using a 555 Timer IC. When the switch is turned OFF, the buzzer does not stop immediately; it stays ON for a few seconds and then turns OFF automatically. The delay time is set by a 10k resistor and 470µF capacitor. The circuit runs on a 9V battery and is useful for alarm delays, reminder buzzers, and ...
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