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temp_monitor_V1
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temp_monitor_V1
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#include <ESP8266WiFi.h>
const char* ssid = "*************"; // Your ssid
const char* password = "****************"; // Your Password
float temp_celsius = 0;
float temp_fahrenheit = 0;
//setting up connection with NodeMCU
WiFiServer server(80);
void setup() {
Serial.begin(115200);
pinMode(A0, INPUT);
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi is connected");
server.begin();
Serial.println("Server started");
Serial.println(WiFi.localIP());
}
void loop() {
temp_celsius = ((analogRead(A0) * 330.0)/1024.0); /* To convert analog values to Celsius We have 3.3 V on our board and
we know that output voltage of LM35 varies by 10 mV to every degree Celsius rise/fall.*/
temp_fahrenheit = (temp_celsius * 1.8)+32.0;
Serial.print(" Temperature = ");
Serial.print(temp_celsius);
Serial.print(" Celsius ");
Serial.print(temp_fahrenheit);
Serial.println(" Fahrenheit");
//setting up the web page
WiFiClient client = server.available();
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close"); // the connection will be closed after completion of the response
client.println("Refresh: 10"); // update the page after 10 sec
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.print("<p style='text-align: center;'><span style='font-size: x-large;'><strong>Smart Thermometer</strong></span></p>");
client.print("<p style='text-align: center;'><span style='color: #0000ff;'><strong style='font-size: large;'>Temperature (C)= ");
client.println(temp_celsius);
client.print("<p style='text-align: center;'><span style='color: #0000ff;'><strong style='font-size: large;'>Temperature (F) = ");
client.println(temp_fahrenheit);
client.print("</p>");
client.println("</html>");
delay(5000);
}