thanks guys...
attached here is the datasheet of the relay i used (6V). i don't think its possible to supply the coil with greater than 6V. or maybe i just misunderstood the datasheet.
i can't find a 5V relay in our local store so i have to live with that 6V relay. also, maybe the voltage regulator is alright. i'll try to reduce the input voltage.
thanks...
jay
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