جستجو در تالارهای گفتگو
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potentiometer as a sensor of water level elevation When the water level changes, the float will drop following the water level.this causes the potentiometer rotates.This system is designed to detect water levels from 0 to 10m.when the water level is 0 meters, then the potentiometer resistance is minimal (0 ohms) and maximum (10 kohm) when the water level = 10 m. Changes in these constraints will lead to changes in the potentiometer output voltage.so that, if used linear potentiometer type, then the water level changes will be proportional to the potentiometer output voltage.to be more accurate, use an amplifier to strengthen this voltage and then processed by a microcontroller. The use of a potentiometer for controlling the position is quite practical because it requires only one excitation voltage and usually does not require complicated signal processing.Use of potentiometers in particular weaknesses are: Rapid wear due to friction Noise, especially when changing position and when there is loose contact Susceptible to corrosion Sensitive to impurities linear potentiometer as a sensor
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- level sensor
- liquid
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