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| Complete circuit of the water quality monitoring system (Fritzing) |
The final product of the water quality monitoring system is constructed based on the fritzing done as shown in the picture above.
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| Hardware setup of the final product |
The configuration of the hardware that has been set up on which pin the sensors are connected to, is as shown in the table below. Both pH sensor and temperature sensor is connected to the analog pin while the dissolved oxygen sensor is connected to the I2C pin of the microcontroller since the sensor module is switched into I2C mode.
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| Circuit configuration |
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