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Need a lock-up circuit for a 12 pump/level control
Its for a fluid tank that will be mounted in a car, and be kept
full using a level switch and a windshield washer fluid pump. So the closed/low level signal from the level switch needs to be conditioned so that the pump isn't triggered on by normal sloshing around, but only by the switch staying closed for a minute or so. I am thinking this might be something that a 555 timer chip could handle? |
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#2
Posted to alt.electronics
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Need a lock-up circuit for a 12 pump/level control
geronimo wrote:
Its for a fluid tank that will be mounted in a car, and be kept full using a level switch and a windshield washer fluid pump. So the closed/low level signal from the level switch needs to be conditioned so that the pump isn't triggered on by normal sloshing around, but only by the switch staying closed for a minute or so. I am thinking this might be something that a 555 timer chip could handle? Ready made: http://www.altronix.com/index.php?pid=2&model_num=6062 Kits: http://electronickits.com/kit/complete/elec/ck1605.htm [8~{} Uncle Monster |
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