CHAPTER 3 METHODOLOGY 3.1 Overview The Water Monitoring ...
CHAPTER 3 METHODOLOGY 3.1 Overview The Water Monitoring ...
CHAPTER 3 METHODOLOGY 3.1 Overview The Water Monitoring ...
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Figure <strong>3.1</strong>: Distance versus Voltage for GP2D150A.<strong>Water</strong> <strong>Monitoring</strong> System will state the level of water inside the tank. To set up thedifferences range of distance with difference value of voltage need a special sensor. Basedon that, a GP2D120 distance measuring sensor is found suitable. Figure 3.2 shows thephysical of GP2D120 analog sensor.Figure 3.2: GP2D120 Distance Measuring SensorA GP2D120 can detect the objects in the range of 4cm to 30cm and verify thedistance in term of voltage values as an output. An analog to digital converter need toconvert the output signal from the sensor to microcontroller.16
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