#include <ESP32Servo.h>
#include <HTTPClient.h>
#include <WiFi.h>


const char* ssid = "Wokwi-GUEST";
 const char* password = "";

const char* channelID = "2705565"; 
const char* writeAPIKey = "7HUY8VOYTPEV3TZU";

Servo servo1;
Servo servo2;
Servo servo3;

void setup() {
  Serial.begin(115200); 
  // Connect to WiFi 
  WiFi.begin(ssid,password); 
  while (WiFi.status() != WL_CONNECTED) { 
    delay(500);
    Serial.print("."); 
  }
  Serial.println("WiFi connected");
 
  servo1.attach(18);
  servo2.attach(5);
  servo3.attach(17);
  sendDataToThingSpeak(0, 0, 0);
  servo1.write(0);
  servo2.write(0);
  servo3.write(0);
  
}

void loop() {
  
  servo1.write(90);
  servo2.write(45);  
  servo3.write(135);
  delay(2000);
  servo1.write(90);  
  servo2.write(50); 
  servo3.write(180);
  delay(2000); 

  sendDataToThingSpeak(servo1.read(), servo2.read(), servo3.read()); 
  delay(5000);
}
void sendDataToThingSpeak(int servo1Pos, int servo2Pos, int servo3Pos) {
  String url="https://api.thingspeak.com/update?api_key=Z2W1FCOYZ3TRNB89&field1=0" + String(writeAPIKey) + "&field1=" + String(servo1Pos) + "&field2=" + String(servo2Pos) + "&field3=" + String(servo3Pos); 
  HTTPClient http;
  http.begin(url); 
  int httpResponseCode = http.GET();
  
  if (httpResponseCode > 0) {
    String payload = http.getString(); 
    Serial.println(payload);
    } else {
      Serial.print("Error code: ");
      Serial.println(httpResponseCode); 
      }
      http.end();
}