ESP8266 Community Forum

- Tue Jan 03, 2023 5:46 pm #95705 View voltage from firebase

Can you please help me this project is not working

#include <ESP8266WiFi.h>
#include <FirebaseArduino.h>

#define FIREBASE_HOST "..........."
#define FIREBASE_AUTH "..........."

// Replace with your WiFi SSID and password
const char* ssid = ".....";
const char* password = ".....";

// The voltage sensor is connected to analog input A0
const int sensorPin = A0;

// The voltage sensor has a range of 0-25V and a resolution of 1mV
const float sensorRange = 25.0;
const float sensorResolution = 0.001;

void setup() {
Serial.begin(9600);

// Connect to WiFi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println();
Serial.print("Connected to WiFi, IP address: ");
Serial.println(WiFi.localIP());

// Connect to Firebase
Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
}

void loop() {
// Read the raw sensor value
int sensorValue = analogRead(sensorPin);

// Convert the raw sensor value to volts
float voltage = sensorValue * (sensorRange / 1023.0) / sensorResolution;

// Send the voltage data to Firebase
Firebase.setFloat("voltage", voltage);

delay(1000);
}

- Thu Jan 12, 2023 10:40 am #95788 What problem are you facing? Is the code not compiling at all? Or not giving desired result?