Sid
Published © GPL3+

Control NodeMCU Using Google Assistant on Pi Without IFTTT

Control Wemos D1 mini or NodeMCU using Google Assistant without IFTTT and MQTT. Also you can stream internet Radio stations by voice.

BeginnerFull instructions provided30 minutes15,223
Control NodeMCU Using Google Assistant on Pi Without IFTTT

Things used in this project

Hardware components

Raspberry Pi 2 Model B
Raspberry Pi 2 Model B
×1
Raspberry Pi 3 Model B
Raspberry Pi 3 Model B
×1
Raspberry Pi 1 Model B+
Raspberry Pi 1 Model B+
×1
Raspberry Pi Zero
Raspberry Pi Zero
×1
Raspberry Pi Zero Wireless
Raspberry Pi Zero Wireless
×1
NodeMCU ESP8266 Breakout Board
NodeMCU ESP8266 Breakout Board
×1
Wemos D1 Mini
Espressif Wemos D1 Mini
×1
Adafruit HUZZAH ESP8266 Breakout
Adafruit HUZZAH ESP8266 Breakout
×1

Software apps and online services

Assistant SDK
Google Assistant SDK

Story

Read more

Code

Code for NodeMCU

Arduino
Add your wifi credentials and upload it onto NodeMCU to be controlled by google assistant
//https://www.youtube.com/c/SidsEClassroom

#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>

const char* ssid = "*********";             //Set your wifi network name(ssid)
const char* password = "************";                //Set your router password

int Device1 = D1;
int Device2 = D2;
int Device3 = D3;
WiFiServer server(80);

void setup() {
  Serial.begin(115200); //change according to your com port baud rate
  delay(10);

  //Declare device pins
  pinMode(Device1, OUTPUT);
  digitalWrite(Device1, LOW);
  pinMode(Device2, OUTPUT);
  digitalWrite(Device2, LOW);
  pinMode(Device3, OUTPUT);
  digitalWrite(Device3, LOW);


  // Connect to WiFi network
  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");

  // Start the server
  server.begin();
  Serial.println("Server started");

  // Print the IP address
  Serial.print("Use this URL : ");
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.println("/");
}


void loop() {


  // Check for an active client
  WiFiClient client = server.available();
  if (!client) {
    return;
  }

  // Wait until client responds
  Serial.println("new client");
  while (!client.available()) {
    delay(1);
  }

  // Read client request
  String request = client.readStringUntil('\r');
  Serial.println(request);
  client.flush();

  // Check device request
  if (request.indexOf("/Device1=ON") != -1) {
    digitalWrite(Device1, HIGH);
  }
  if (request.indexOf("/Device1=OFF") != -1) {
    digitalWrite(Device1, LOW);
  }
  if (request.indexOf("/Device2=ON") != -1) {
    digitalWrite(Device2, HIGH);
  }
  if (request.indexOf("/Device2=OFF") != -1) {
    digitalWrite(Device2, LOW);
  }
  if (request.indexOf("/Device3=ON") != -1) {
    digitalWrite(Device3, HIGH);
  }
  if (request.indexOf("/Device3=OFF") != -1) {
    digitalWrite(Device3, LOW);
  }

  // Return the client response
  client.println("HTTP/1.1 200 OK");
  client.println("Content-Type: text/html");
  client.println(""); //  do not forget this one
  client.println("<!DOCTYPE HTML>");
  client.println("<html>");

  //HTML code for controling devices from browser
  client.println("<br><br>");
  client.println("Device 1: <a href=\"/Device1=ON\">ON</a> and <a href=\"/Device1=OFF\">OFF</a><br>");
  client.println("<br>");
  client.println("Device 2: <a href=\"/Device2=ON\">ON</a> and <a href=\"/Device2=OFF\">OFF</a><br>");
  client.println("<br>");
  client.println("Device 3: <a href=\"/Device3=ON\">ON</a> and <a href=\"/Device3=OFF\">OFF</a><br>");
  client.println("<br>");
  client.println("");
  client.println("</html>");

  delay(1);
  Serial.println("Client disconnected");
  Serial.println("");

}

Google Assistant on Pi

Credits

Sid
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Related channels and tags
  • Adafruit
  • Espressif
  • Google
  • Machine Learning & AI
  • Machine Learning & AI
  • NodeMCU
  • Raspberry Pi
  • Voice
  • Voice