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General
This product was developed for a gas and oil drilling company. The
circuit controls a latching solenoid which bleeds off accumulated water
when the water float switch reaches a predetermined height.
The
solenoid open-to-close duration is adjustable between 1 and 20 seconds
using a potentiometer.
Technical
This circuit contains a DC/DC converter, H-Bridge, and microprocessor.
The circuitry was designed to have extremely low power consumption and
will last for more than three years when powered from a standard 6V
alkaline lantern battery.
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