cv

 #include <WiFi.h>

#include <ThingSpeak.h>

// Replace with your network credentials

const char* ssid = "YourWiFiSSID";

const char* password = "YourWiFiPassword";

// Replace with your ThingSpeak channel details

const unsigned long channelID = YOUR_CHANNEL_ID;

const char* writeAPIKey = "YourWriteAPIKey";

// Initialize the WiFi client

WiFiClient client;

void setup() {

  Serial.begin(115200);

  delay(2000);

  // Connect to Wi-Fi

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {

    delay(1000);

    Serial.println("Connecting to WiFi...");

  }

  Serial.println("Connected to WiFi");

  // Set ThingSpeak channel details

  ThingSpeak.begin(client);

  ThingSpeak.setChannel(channelID);

}

void loop() {

  // Read sensor data or prepare the data you want to send

  float sensorValue = 23.45;

  // Write the data to ThingSpeak

  ThingSpeak.writeField(1, sensorValue, writeAPIKey);

  // Wait for 20 seconds before sending the next data point

  delay(20000);

}