#include <WiFi.h>
#include "ThingSpeak.h"

// HC-SR04 sensor pins
#define TRIG_PIN 3  // D3 on ESP32-C3 XIAO
#define ECHO_PIN 2  // D2 on ESP32-C3 XIAO

// Your WiFi network
const char* ssid = "Albert";
const char* password = "19855148A";

// ThingSpeak channel info
unsigned long channelNumber = 2977492;  // Your channel ID
const char* writeAPIKey = "T4H4E8XVO4OT9C8D"; // Replace with your Write API Key

WiFiClient client;

void setup() {
  Serial.begin(115200);

  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);

  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi...");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Seri