Frank Apap
Published © GPL3+

Alexa Activated Fireplace

I decided to to try to get Alexa to turn on and off my gas fireplace.

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Alexa Activated Fireplace

Things used in this project

Hardware components

NodeMCU ESP8266 Breakout Board
NodeMCU ESP8266 Breakout Board
×1
Amazon Echo
Amazon Alexa Amazon Echo
×1

Story

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Code

Code snippet #1

Plain text
<p>#include <ESP8266WiFi.h></p><p>#include <WifiClient.h></p><p><esp8266wifi.h><wificlient.h><esp8266webserver.h>#include <</esp8266webserver.h></wificlient.h></esp8266wifi.h>ESP8266WebServer.h></p><p><esp8266wifi.h><wificlient.h><esp8266webserver.h><esp8266mdns.h>#include <</esp8266mdns.h></esp8266webserver.h></wificlient.h></esp8266wifi.h>ESP8266mDNS.h></p><p>#include <PubSubClient.h></p><p>//https://github.com/knolleary/pubsubclient/blob/master/examples/mqtt_esp8266/mqtt_esp8266.ino</p><p>const char* ssid = "*****";
const char* password = "****";
const char* mqtt_server = "****";</p><p>ESP8266WebServer server(80);
WiFiClient espClient;
PubSubClient mqttclient(espClient);</p><p>const int gateOffPin = D1;
const int gateOnPin =  D2;      // the number of the LED pin</p><p>void handleRoot() {</p><p>  server.send(200, "text/plain", "OK");</p><p>}</p><p>void handleNotFound(){
  
  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);="" }<="" p=""></server.args();></p><p>void flashLED(int d){
  digitalWrite(LED_BUILTIN, LOW);
  delay(d);
  digitalWrite(LED_BUILTIN, HIGH);
}</p><p>void setup(void){
  flashLED(100);
  Serial.begin(115200);
  pinMode(gateOnPin,OUTPUT);
  pinMode(gateOffPin,OUTPUT);
  digitalWrite(gateOffPin, LOW);
  digitalWrite(gateOnPin, LOW);
  pinMode(LED_BUILTIN, OUTPUT);
  flashLED(100);
  WiFi.begin(ssid, password);
  Serial.println("");
  flashLED(1000);
  // Wait for connection
  while (WiFi.status() != WL_CONNECTED) {
    flashLED(250);
    delay(250);
    Serial.print(".");
  }
  flashLED(1500);
  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
  
  if (MDNS.begin("esp8266")) {
    Serial.println("MDNS responder started");
  }</p><p>  mqttclient.setServer(mqtt_server, 1883);
 
  String clientId = "FIREPLACE-";
  clientId += String(random(0xffff), HEX);
  if (mqttclient.connect(clientId.c_str())) {
      Serial.println("mqtt connected");
      // Once connected, publish an announcement...
      String s = "Fireplace:"+WiFi.localIP().toString();
      Serial.print("Sending "+s);
      char temp[100];
      s.toCharArray(temp, s.length() + 1); //packaging up the data to publish to mqtt whoa...</p><p>      mqttclient.publish("regserver",temp);
      mqttclient.loop();
    } 
  else {
      Serial.print("mqtt failed, rc=");
      Serial.print(mqttclient.state());   
  }
    
  
  
  server.on("/", handleRoot);</p><p>  server.on("/fireplaceon", [](){
    turnOnFireplace();
    server.send(200, "text/plain", "OK-ON");
  });</p><p>  server.on("/fireplaceoff", [](){
    turnOffFireplace();
    server.send(200, "text/plain", "OK-OFF");
  });</p><p>  server.onNotFound(handleNotFound);</p><p>  //turnOnFireplace();</p><p>  server.begin();
  Serial.println("HTTP server started");
}</p><p>void turnOnFireplace(){
  Serial.println("Turning On Fireplace");
  digitalWrite(gateOnPin, HIGH);  //GATEPIN High makes fireplace go on
  Serial.flush();
  delay(300);
  digitalWrite(gateOnPin, LOW);
}</p><p>void turnOffFireplace(){
  Serial.println("Turning off Fireplace");
  digitalWrite(gateOffPin, HIGH);  //GATEPIN High makes fireplace go off
  Serial.flush();
  delay(300);
  digitalWrite(gateOffPin, LOW);
}</p><p>void loop(void){
  server.handleClient();
}</p>

Code snippet #3

Plain text
from __future__ import divisionfrom flask import Flaskimport sys
import math
import paho.mqtt.client as mqtt
import requests
import time
import json
import gmailapp = Flask(__name__)
app.debug = Falselastunlocktime = 0
lastmotion = 0
fireplaceip = "192.168.1.8" #DEFAULTDEBUG = Truedef dprint(str):
    if (DEBUG == True):
        print(str)def nowMS():
    return int(round(time.time() * 1000))#DEF ACTIONSdef turnOnFireplace():
    print("Turn on fireplace");
    url = "http://"+fireplaceip+"/fireplaceon"
    print("Requesting "+url)
    r = requests.get(url)
    print ("Response "+r.text)
    return r.textdef turnOffFireplace():
    print("Turn off fireplace");
    url = "http://"+fireplaceip+"/fireplaceoff"
    print("Requesting "+url)
    r = requests.get(url)
    print ("Response "+r.text)
    return r.textdef processRegServer(topic,msg):
    global fireplaceip
    tmp = msg.split(':')
    name = tmp[0];
    addr = tmp[1];
    dprint("Server Reg "+name+" "+addr)
    if (name == "Fireplace"):
        print("Fireplace IP set to "+addr)
        fireplaceip = addr#MQTT processing
def on_connect(client, obj, rc):
    print("mqtt connect rc: " + str(rc))
    #client.subscribe("Vera/#")
    client.subscribe("regserver")def on_message(client,userdata,msg):
    print(msg.topic+" "+str(msg.payload))
    if (msg.topic.startswith("regserver")):
        processRegServer(msg.topic,msg.payload)#REST handling
@app.route("/fireplace/on")
def fireplaceOn():
    return turnOnFireplace()@app.route("/fireplace/off")
def fireplaceOff():
    return turnOffFireplace()### MAIN
if __name__ == "__main__":
    print "Connecting to mqtt"
    mqttc = mqtt.Client()
    mqttc.on_connect = on_connect
    mqttc.on_message = on_message
    mqttc.connect("127.0.0.1")
    sys.stdout.flush()
    mqttc.loop_start()
    app.run(host='0.0.0.0', port=80, debug=True,use_reloader=False)
    print "Doing other stuff"

Github

https://github.com/makermusings/fauxmo

Credits

Frank Apap

Frank Apap

1 project • 5 followers

Comments

Related channels and tags
  • Amazon Alexa
  • Espressif
  • Fire & Pyrotechnics
  • Home Automation
  • NodeMCU