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May 29, 2016


12 Volt Toilet Tank Refiller
Adjustment Free Inclinometer operates on 2.7V:  04/24/97 EDN-Design Ideas
Fluid Level Detector
Water Level Sensor
Water-Level Sensor Uses Hysteresis:  08/21/00 Electronic Design - Ideas for Design /   A low-voltage electronic circuit that senses upper and lower water levels is often used for alarms and sump-pump activation. Since an electronic sensor has no moving mechanical parts, it eliminates problems with corrosion and wear and tear. The. .