118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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#include "GravityTDS.h"
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// Set the LCD number of columns and rows
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int lcdColumns = 16;
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int lcdRows = 2;
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// Initialize LCD
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LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);
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// Sensor turbidity
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int pinTurb = A0;
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float V;
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float kekeruhan;
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float VRata2;
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float VHasil;
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float ParameterKekeruhan = 5; // Sesuaikan dengan parameter kekeruhan yang diinginkan
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// Sensor TDS
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#define TdsSensorPin A1
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GravityTDS gravityTds;
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float temperature = 500, tdsValue = 0;
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float ParameterPPM = 500; // Sesuaikan dengan parameter ppm yang diinginkan
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// LED
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const int ledMerah = 8; // Pin untuk LED merah
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const int ledHijau = 9; // Pin untuk LED hijau
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void setup() {
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// Initialize LCD
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lcd.init();
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// Turn on LCD backlight
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lcd.backlight();
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Serial.begin(9600);
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Serial.println("SENSOR KEKERUHAN AIR");
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delay(2000);
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pinMode(ledMerah, OUTPUT);
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pinMode(ledHijau, OUTPUT);
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// Initialize turbidity sensor
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gravityTds.setPin(TdsSensorPin);
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gravityTds.setAref(5.0); //reference voltage on ADC, default 5.0V on Arduino UNO
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gravityTds.setAdcRange(1024); //1024 for 10bit ADC;4096 for 12bit ADC
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gravityTds.begin(); //initialization
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}
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void loop() {
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// Read turbidity sensor
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V = 0;
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for (int i = 0; i < 800; i++) {
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V += ((float)analogRead(pinTurb) / 1023) * 5;
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}
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VRata2 = V / 800;
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VHasil = roundf(VRata2 * 10.0f) / 10.0f;
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if (VHasil < 2.5) {
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kekeruhan = 5;
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} else {
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kekeruhan = -1120.4 * square(VHasil) + 5742.3 * VHasil - 4353.8;
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}
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// Read TDS sensor
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gravityTds.setTemperature(temperature); // set the temperature and execute temperature compensation
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gravityTds.update(); //sample and calculate
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tdsValue = gravityTds.getTdsValue(); // then get the value
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// Print to LCD
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lcd.clear();
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if (tdsValue > ParameterPPM) {
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lcd.setCursor(0, 0);
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lcd.print("Kaporit Berlebih");
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} else {
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lcd.setCursor(0, 0);
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lcd.print("Kaporit Normal");
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}
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lcd.print("TDS: ");
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lcd.print(tdsValue);
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lcd.print(" ppm");
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// lcd.setCursor(0, 1);
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// lcd.print("Turbidity: ");
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// lcd.print(kekeruhan);
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// Control LED based on ppm and turbidity
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if (tdsValue > ParameterPPM || kekeruhan > ParameterKekeruhan) {
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digitalWrite(ledMerah, HIGH); // LED merah menyala
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digitalWrite(ledHijau, LOW); // LED hijau mati
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} else {
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digitalWrite(ledMerah, LOW); // LED merah mati
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digitalWrite(ledHijau, HIGH); // LED hijau menyala
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}
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if (kekeruhan > ParameterKekeruhan) {
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lcd.setCursor(0, 1);
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lcd.print("Air Keruh");
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} else {
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lcd.setCursor(0, 1);
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lcd.print("Air Tidak Keruh");
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}
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// Print to serial monitor
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Serial.print("TDS: ");
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Serial.print(tdsValue);
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Serial.print(" ppm");
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Serial.print("\tTurbidity: ");
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Serial.println(kekeruhan);
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// Send data to ESP32
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Serial.print(kekeruhan);
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Serial.print(",");
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Serial.println(tdsValue);
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delay(200);
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}
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