#define BLYNK_TEMPLATE_ID "TMPL3a10pG72j"
#define BLYNK_TEMPLATE_NAME "smart soil monitoring system"
#define BLYNK_AUTH_TOKEN "Ly4MkjpL-xLP1coNiG1n652csOv0486E"

#define BLYNK_PRINT Serial
#include <SPI.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h> // Use BlynkSimpleEsp8266.h for ESP8266
#include <Adafruit_ADS1015.h> // Library for ADS1015 ADC
#include <OneWire.h>
#include <DallasTemperature.h>

char auth[] = "Ly4MkjpL-xLP1coNiG1n652csOv0486E";
char ssid[] = "WIFIGUEST";
char pass[] = "";

#define soilMoisturePin A0 // Analog pin for soil moisture sensor
#define pHPin A1 // Analog pin for pH sensor
#define temperaturePin A2 // Analog pin for temperature sensor

Adafruit_ADS1115 ads; // Create an instance of the ADS1115 object
OneWire oneWire(temperaturePin);
DallasTemperature sensors(&oneWire);

void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  ads.begin();
  sensors.begin();
}

void loop() {
  Blynk.run();
  
  int soilMoistureValue = analogRead(soilMoisturePin);
  int moisturePercent = map(soilMoistureValue, 0, 1023, 0, 100); // Map the analog reading to percentage
  
  int pHValue = analogRead(pHPin);
  float pH = map(pHValue, 0, 1023, 0, 14); // Map the analog reading to pH range (0-14)
  
  sensors.requestTemperatures();
  float temperatureC = sensors.getTempCByIndex(0);
  
  Serial.print("Soil Moisture: ");
  Serial.print(moisturePercent);
  Serial.println("%");
  Serial.print("pH Value: ");
  Serial.println(pH);
  Serial.print("Temperature: ");
  Serial.print(temperatureC);
  Serial.println("°C");
  
  Blynk.virtualWrite(V0, moisturePercent); // Send soil moisture data to Blynk app
  Blynk.virtualWrite(V1, pH); // Send pH data to Blynk app
  Blynk.virtualWrite(V2, temperatureC); // Send temperature data to Blynk app
  
  delay(1000); // Wait for a second before taking another reading
}