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Originally Posted by cyberboy_kerala
Yeah this will do the trick u can make use of that voltage coming to the buzzer, u only need a small amplifier to increase the current to drive a relay.This will make a cheap timer clock with good accuracy.
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Will any one give me the circuit diagram for the modifications I should make in the alarm clock,like he said with amplifier.
Please............................................ ..............
I saw somewat similar circuits in electronicsforyou.com but it requires lots of modifications
If any one can tell me how to modify an alarm clock for this I wud be greatful