#include <WiFi.h>
#include <WiFiClient.h>
#include <HTTPClient.h>
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
const char* firebaseHost = "esp8266-e1753-default-rtdb.firebaseio.com";
const char* firebaseKey = "AIzaSyDHUHCInzdvk814SPnQLLpXW5c1bYyZiyo";
// Defining the WiFi channel speeds up the connection:
#define WIFI_CHANNEL 6
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
WiFi.begin(WIFI_SSID, WIFI_PASSWORD, WIFI_CHANNEL);
Serial.print("Connecting to WiFi ");
Serial.print(WIFI_SSID);
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(100);
Serial.print(".");
}
Serial.println(" Connected!");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
sendDataToFirebase("sensorValue", "123");
}
void sendDataToFirebase(const char* field, const char* value) {
WiFiClient client;
HTTPClient http;
String url = "https://esp8266-e1753-default-rtdb.firebaseio.com/";
http.begin(client, url);
http.addHeader("Content-Type", "application/json");
String payload = "{\"" + String(field) + "\":\"" + String(value) + "\"}";
int httpResponseCode = http.POST(payload);
if (httpResponseCode > 0) {
Serial.printf("HTTP POST request sent to Firebase. Response code: %d\n", httpResponseCode);
} else {
Serial.printf("Error sending HTTP POST request to Firebase. Error code: %d\n", httpResponseCode);
}
http.end();
}
void loop() {
// put your main code here, to run repeatedly:
delay(10); // this speeds up the simulation
}
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