TIMER_WITH_ALARM_

Published:2009/7/7 3:58:00 Author:May | From:SeekIC

The circuit has two ranges: secs to 5 mins and 1 min to 80 mins.It can be powered by a 9-V battery.With the LED connected as shown a reasonable frequency of flashing occurs throughout the range of operation.This circuit is reset when S2 is closed.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Control_Circuit/Alarm_Control/TIMER_WITH_ALARM_.html

Print this Page | Comments | Reading(3)