关键词: low power sensor, comparator, salt crystal level detector, pulsed sensor, microprocessor supervisor, comparator and reference, uP supervisor
Abstract: The following application note demonstrates a power-saving circuit that pulses a sensor for 1 second every 30 minutes. Designed to monitor levels of salt crystals in a water softener, the circuit consumes an average of 70µA.
Pulsed Sensor Extends Battery Life.pdf
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