DIGITAL WATER-LEVEL METER
Digital Electronics Unit
In many applications a digital value is desired (for storage, analysis or accuracy). Although the above circuit can be used as an input to an analogue to digital unit, a more elegant and robust solution is to go directly to digital from the probe.

The capacitance probe is connected to an ICM7555 running in astable mode. The 7555 has an advantage as an oscillator for this application because the timing capacitor is grounded. The probe will be the timing capacitor.
The period of oscillation ....etc

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To get full information or details of DIGITAL WATER LEVEL METER please have a look on the pages

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digital soil moisture meter circuit pdf

The VG-METER-200 is a low cost hand held soil moisture meter with a professional digital display.

This a break through soil moisture meter is for professionals, but is in the price range that any home gardener afford it.

Not only does it provide accurate readings of soil moisture content it also displays the current ambient temperature, and has a light sensor which detects and displays the level of light.

This meter uses our break through VH400 soil moisture sensor, and presents soil mois ....etc

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DIGITAL WATER METER WITH LEAKAGE DETECTION



INTRODUCTION

In a country like ours with a billion plus population nothing is sufficient. It takes a toll on government to provide even the basic necessities efficiently. The most pressing situation, rather one of the most basic is WATER related issues. As we are well aware of the fact that almost all parts of India are Monsoon dependent which in turns causes too much dependency on the same and leads to unpredictable situations. Every single drop of water counts and this i ....etc

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