/*************************************************** This is a library example for the MLX90614 Temp Sensor Original Library and code source: https://github.com/adafruit/Adafruit-MLX90614-Library This is Arduino code for MLX90614 to display temperature over Wifi using ESP8266 NodeMCU and D1 Mini on browser of desktop, tablet or mobile phone. Related Videos: Introdution to MLX90614: https://youtu.be/cFDSqiEIunw Display temperature from MLX90614 on LCD1602/LCD2004: https://youtu.be/_iO2L4P_irw Display temperature over WiFi using ESP32 on mobile phone:https://youtu.be/HpsvNIAtjm4 Want to get full explanation of this code and need wiring diagram? Purchase My Arduino course on Udemy.com http://robojax.com/L/?id=62 * * Watch video instructions for this code: https://youtu.be/OuD7K_f7hDg updated/written by Ahmad Shamshiri on Mar 30, 2020 at 21:51 * in Ajax, Ontario, Canada. www.robojax.com * * Get this code and other Arduino codes from Robojax.com Learn Arduino step by step in structured course with all material, wiring diagram and library all in once place. Purchase My course on Udemy.com http://robojax.com/L/?id=62 If you found this tutorial helpful, please support me so I can continue creating content like this. You can support me on Patreon http://robojax.com/L/?id=63 or make donation using PayPal http://robojax.com/L/?id=64 * * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.* * This code has been download from Robojax.com This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Origin Written by Limor Fried/Ladyada for Adafruit Industries. BSD license, all text above must be included in any redistribution ****************************************************/ #include #include char *typeName[]={"Object: ","Ambient: "}; float tempC, tempF, tempK, tempCA, tempFA, tempKA; char *url[] ={"/c", "/f", "/k"}; Adafruit_MLX90614 mlx = Adafruit_MLX90614(); #include #include #include #include #ifndef STASSID #define STASSID "Robojax" #define STAPSK "YouTube2020" #endif const char *ssid = STASSID; const char *password = STAPSK; ESP8266WebServer server(80); void handleRoot() { //Robojax.com MLX90614 wiht ESP8622 String HTML ="\ \ \ \t\nRobojax MLX90614 Infrared Temperature\ \t\n\ \n\n\n"; HTML +="\n\n"; HTML +=" \n"; HTML +="\n\n\n

Robojax MLX90614 Infrared Temperature

\n"; HTML +="Temperature
\n"; HTML +="

Temp

\n"; HTML +="\n"; HTML +="\n"; HTML +="\n"; HTML +="\t\n\n\n"; server.send(200, "text/html", HTML); //Robojax.com MLX90614 wiht ESP8622 }//handleRoot() void handleNotFound() { //Robojax.com MLX90614 wiht ESP8622 String message = "File Not Found\n\n"; message += "URI: "; message += server.uri(); message += "\nMethod: "; message += (server.method() == HTTP_GET) ? "GET" : "POST"; message += "\nArguments: "; message += server.args(); message += "\n"; for (uint8_t i = 0; i < server.args(); i++) { message += " " + server.argName(i) + ": " + server.arg(i) + "\n"; } server.send(404, "text/plain", message); //Robojax.com MLX90614 wiht ESP8622 }//handleNotFound() void setup() { //Robojax.com MLX90614 wiht ESP8622 Serial.begin(115200); Serial.println("Robojax MLX90614 ESP8266 test"); mlx.begin(); WiFi.mode(WIFI_STA); WiFi.begin(ssid, password); Serial.println(""); // Wait for connection while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println(""); Serial.print("Connected to "); Serial.println(ssid); Serial.print("IP address: http://"); Serial.println(WiFi.localIP()); //multicast DNS //Robojax.com Tutorial if (MDNS.begin("robojaxESP8266")) { Serial.println("MDNS responder started"); Serial.println("access via http://robojaxESP8266"); } server.on("/", handleRoot); server.on("/c", displayTempC); server.on("/f", displayTempF); server.on("/k", displayTempK); server.on("/inline", []() { server.send(200, "text/plain", "this works as well"); }); server.onNotFound(handleNotFound); server.begin(); Serial.println("HTTP server started"); //Robojax.com MLX90614 wiht ESP8622 } void loop() { //Robojax.com MLX90614 wiht ESP8622 server.handleClient(); MDNS.update(); //Robojax Example for MLX90614 getTemp(); delay(1000); //Robojax Example for MLX90614 } /* * @brief returns temperature or relative humidity * @return returns one of the values above * Usage: to get Fahrenheit type: getTemp('F') * to print it on serial monitor Serial.println(getTemp('F')); * Written by Ahmad Shamshiri on Mar 30, 2020. * in Ajax, Ontario, Canada * www.Robojax.com */ void getTemp() { // Robojax.com MLX90614 Code tempC = mlx.readObjectTempC();//in C object tempCA = mlx.readAmbientTempC(); tempF = mlx.readObjectTempF(); //Fah. Object tempFA = mlx.readAmbientTempF();//Fah Ambient tempK = tempC + 273.15;// Object Kelvin tempKA = tempCA + 273.15;//Ambient Kelvin // Robojax.com MLX90614 Code }//getTemp void displayTempC() { //Robojax.com MLX90614 wiht ESP8622 String HTML ="\n"; HTML +=typeName[0]; HTML +=tempC; HTML +="°C
\n"; HTML +="\n"; HTML +=typeName[1]; HTML +=tempCA; HTML +="°C\n"; server.send(200, "text/html", HTML); }//displayTemp() void displayTempF() { //Robojax.com MLX90614 wiht ESP8622 String HTML ="\n"; HTML +=typeName[0]; HTML +=tempF; HTML +="°F
\n"; HTML +="\n"; HTML +=typeName[1]; HTML +=tempFA; HTML +="°F\n"; server.send(200, "text/html", HTML); }//displayTemp() void displayTempK() { //Robojax.com MLX90614 wiht ESP8622 String HTML ="\n"; HTML +=typeName[0]; HTML +=tempK; HTML +="°K
\n"; HTML +="\n"; HTML +=typeName[1]; HTML +=tempKA; HTML +="°K\n"; server.send(200, "text/html", HTML); }//displayTemp()