mhamini
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i'm looking for a simple delay off circuit. I have a switch which
controls the 120vac via a relay which turns on a computer power supply. I
am looking for something to be able to turn off the switch and then have the
120v be turned off about 3-5 minutes later (cooling purposes) the relay
would still have the 120 going to it, when switched off (aka no battery
system or anything). I was planning on paralleling a second relay with the
first, one controled by the switch and the second controlled by the timer
circuit powered from the power supply. any suggestoins are welcome, i'm
looking for a simple design that wouldn't be to cost prohibitive. Thanks
for any input.
controls the 120vac via a relay which turns on a computer power supply. I
am looking for something to be able to turn off the switch and then have the
120v be turned off about 3-5 minutes later (cooling purposes) the relay
would still have the 120 going to it, when switched off (aka no battery
system or anything). I was planning on paralleling a second relay with the
first, one controled by the switch and the second controlled by the timer
circuit powered from the power supply. any suggestoins are welcome, i'm
looking for a simple design that wouldn't be to cost prohibitive. Thanks
for any input.