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Arduino-Based Water Quality Monitoring System with PH and Temperature Sensors

Image of Arduino-Based Water Quality Monitoring System with PH and Temperature Sensors

Circuit Documentation

Summary

This circuit is designed to measure pH levels and temperature while also monitoring turbidity. It utilizes an Arduino UNO as the main microcontroller to interface with a pH meter, a temperature sensor, and a turbidity sensor. Additionally, it includes two LEDs for visual indication of the system's status.


Component List

PH Meter

  • Description: A sensor used to measure the pH level of a solution.
  • Pins: Signal, VCC, GND

 

MKE-S15 DS18B20 Waterproof Temperature Sensor

  • Description: A waterproof temperature sensor that provides accurate temperature readings.
  • Pins: SIG, 5V, GND

 

Arduino UNO

  • Description: A microcontroller board based on the ATmega328P, used for programming and controlling the circuit.
  • Pins: Various digital and analog pins for input/output operations.

 

Resistor (200 Ohm)

  • Description: A passive electrical component that limits the flow of current in the circuit.
  • Pins: pin1, pin2

 

LED: Two Pin (red)

  • Description: A red LED used for visual indication.
  • Pins: cathode, anode

 

LED: Two Pin (white)

  • Description: A white LED used for visual indication.
  • Pins: cathode, anode

 

Turbidity Sensor

  • Description: A sensor that measures the turbidity of a liquid, indicating the presence of suspended particles.
  • Pins: OUT, VCC, GND

Wiring Details

PH Meter

  • Signal connected to A0 on Arduino UNO
  • VCC connected to 5V on Arduino UNO
  • GND connected to GND on Arduino UNO

 

MKE-S15 DS18B20 Waterproof Temperature Sensor

  • SIG connected to D2 on Arduino UNO
  • 5V connected to 5V on Arduino UNO
  • GND connected to GND on Arduino UNO

 

Turbidity Sensor

  • OUT connected to A1 on Arduino UNO
  • VCC connected to 5V on Arduino UNO
  • GND connected to GND on Arduino UNO

 

LED: Two Pin (red)

  • anode connected to D9 on Arduino UNO
  • cathode connected to pin2 of the first resistor

 

Resistor (200 Ohm)

  • pin1 connected to GND on Arduino UNO
  • pin2 connected to cathode of the red LED

 

LED: Two Pin (white)

  • anode connected to D11 on Arduino UNO
  • cathode connected to pin2 of the second resistor

 

Resistor (200 Ohm)

  • pin1 connected to GND on Arduino UNO
  • pin2 connected to cathode of the white LED

Documented Code

Arduino UNO Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Documentation

This section is reserved for additional documentation or notes related to the circuit and its operation. Currently, there are no additional notes provided.