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12 Volt Toilet Tank Refiller: (Schematic / circuit design added 6/03) |
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AN1013: Gas and Water Metering with the PIC16F91X Family: Microchip Application Note - Published 20-Jan-06 (App
note added 6/06) |
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Circuit checks swamp cooler Water level: 10/31/02 EDN Design Ideas / (added 1/05) A "swamp cooler" is an
easy way to obtain effective air conditioning, especially in hot and dry climates, if a water source is readily available. Although most units are very reliable, the storage-reservoir control
usually uses a single level-detector component. Failure of this component can lead to serious water damage.... |
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Gas and Water Metering with the PIC16F91X Family #2: Microchip Application Note - Published 20-Jan-06 (App note
added 6/06) |
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Gas and Water Metering with the PIC16F91X Family: Microchip Application Note - Published 20-Jan-06 (Circuit /
schematic design added 6/06) |
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Infrared Level Detector for Liquid Level Detection and Proximity Detection: Useful for liquids level
detection and proximity devices Up to50 cm. range, optional relay operation (circuit added 6/06) |
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Mark Liked His Tree Straight Up with a Twist : Mark likes his martinis dry, but never his Christmas trees. To avoid his
tree turning into kindling prematurely, he created an automatic watering device that keeps it fresh and helps it last longer…. Gadget Freak / Design News (Circuit / schematic
design added 6/06) |
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One-wire bus powers water-level sensor: 02/15/00 EDN-Design Ideas / (Circuit / schematic design added 6/06)
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Piezo crystal monitors liquid level: 03/30/00 EDN-Design Ideas / (added 11/-5) |
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Water Level Alarm: (Electronic Schematic / circuit added 4/02) |
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Water Level Controller: (Electronic Circuit / Schematic added 10/04) |
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Water Level Indicator with Alarm: Here is a simple, versatile circuit which indicates the level of water in a tank. This
circuit produces alarm when water level is below the lowest level L1 and also when water just touches the highest level L12. The circuit is .... (added 10/04) |
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Water Level
Reference Design: The Water Level Reference design continuously monitors water level and water flow using the temperature compensated MPXM2010GS pressure sensor in the low cost MPAK
package, a dual op–amp, and the MC68HC908QT4, 8–pin microcontroller. This system uses very few components, reducing the overall system cost. This allows for a solution to compete with a
mechanical switch for water level detection but also offer additional applications such as monitoring water flow for leak detection, and the other applications for smart washing machines.
(Circuit / schematic design added 6/06) |
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Water Level Sensor: (added 6/03) |
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Water-Level Controller: (Electronic Circuit / Schematic added 10/04) |
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Water-level sensor: (schematic added 4/05) |
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Waterpump Safety Guard for Fish-pond: The circuit below was developed to guard the fish pond. In this case to prevent
that the pump sucks just air when the water level get below the pump. When the water filters get saturated and dirty, the water level behind the filter gets to an unacceptable level.
You can see this when the pump also produces airbubbles in the water... (added 2/06) |
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Wireless Liquid Level Sensing for Restaurant
Applications: (electronic circuits added 6/06) |
