IoT project on Remotely control Led using MQTTbox Server client with ESP8266-12e Wi-Fi Board

[@michaelreis6095]

It worked lol, thanks alot

[@adityapandya8098]

Thank You so much

[@ericsheffield3549]

Hmmm.....interesting

[@ΒΑΣΙΛΕΙΟΣΚΑΡΑΓΙΑΝΝΗΣ-π2λ]

Hello can someone help me with some issue in mqttbox ??

[@ivinkuriakose8377]

cant find the code.

[@spr9827]

ayyo pavam

[@padeiro3582]

/*Modified by
* Technical Team,REES52
*/
#include
#include
// Define NodeMCU D2 pin connect to Piezo LedPin
#define ledPin D2
// Update these with values suitable for your network.
const char* ssid = "Tenda_FB6CA0"; //enter your wifi id
const char* password = "9898986969"; //enter your wi-fi passowrd
const char* mqtt_server = "broker.mqttdashboard.com";
//const char* mqtt_server = "iot.eclipse.org";
WiFiClient espClient;
PubSubClient client(espClient);
long lastMsg = 0;
char msg[50];
int value = 0;
void setup_wifi() {
delay(100);
// We start by connecting to a WiFi network
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
randomSeed(micros());
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
void callback(char* topic, byte* payload, unsigned int length)
{
Serial.print("Command from MQTT broker is : [");
Serial.print(topic);
int p =(char)payload[0]-'0';
// if MQTT comes a 0 turn off LED on D2
if(p==0)
{
digitalWrite(ledPin, LOW);
Serial.println(" Turn Off ledPin! ");
}
// if MQTT comes a 1, turn on ledPin on pin D2
if(p==1)
{
digitalWrite(ledPin, HIGH);
Serial.println(" Turn On ledPin! ");
}
Serial.println();
} //end callback
void reconnect() {
// Loop until we're reconnected
while (!client.connected())
{
Serial.print("Attempting MQTT connection...");
// Create a random client ID
String clientId = "ESP8266Client-";
clientId += String(random(0xffff), HEX);
// Attempt to connect
//if you MQTT broker has clientID,username and password
//please change following line to if (client.connect(clientId,userName,passWord))
if (client.connect(clientId.c_str()))
{
Serial.println("connected");
//once connected to MQTT broker, subscribe command if any
client.publish("outTopic","hello world");
//resubscribe
client.subscribe("REES52Command");
} else {
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
// Wait 6 seconds before retrying
delay(6000);
}
}
} //end reconnect()
void setup() {
Serial.begin(115200);
setup_wifi();
client.setServer(mqtt_server, 1883);

pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW);
}
void loop() {
if (!client.connected()) {
reconnect();
}
client.setCallback(callback);
client.loop();
}

[@BedangLamboy]

code is not available on link

[@padeiro3582]

Galera, achei o código do vídeo, créditos da criadora do vídeo.
/*Modified by
* Technical Team,REES52
*/
#include
#include
// Define NodeMCU D2 pin connect to Piezo LedPin
#define ledPin D2
// Update these with values suitable for your network.
const char* ssid = "Tenda_FB6CA0"; //enter your wifi id
const char* password = "9898986969"; //enter your wi-fi passowrd
const char* mqtt_server = "broker.mqttdashboard.com";
//const char* mqtt_server = "iot.eclipse.org";
WiFiClient espClient;
PubSubClient client(espClient);
long lastMsg = 0;
char msg[50];
int value = 0;
void setup_wifi() {
delay(100);
// We start by connecting to a WiFi network
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
randomSeed(micros());
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
void callback(char* topic, byte* payload, unsigned int length)
{
Serial.print("Command from MQTT broker is : [");
Serial.print(topic);
int p =(char)payload[0]-'0';
// if MQTT comes a 0 turn off LED on D2
if(p==0)
{
digitalWrite(ledPin, LOW);
Serial.println(" Turn Off ledPin! ");
}
// if MQTT comes a 1, turn on ledPin on pin D2
if(p==1)
{
digitalWrite(ledPin, HIGH);
Serial.println(" Turn On ledPin! ");
}
Serial.println();
} //end callback
void reconnect() {
// Loop until we're reconnected
while (!client.connected())
{
Serial.print("Attempting MQTT connection...");
// Create a random client ID
String clientId = "ESP8266Client-";
clientId += String(random(0xffff), HEX);
// Attempt to connect
//if you MQTT broker has clientID,username and password
//please change following line to if (client.connect(clientId,userName,passWord))
if (client.connect(clientId.c_str()))
{
Serial.println("connected");
//once connected to MQTT broker, subscribe command if any
client.publish("outTopic","hello world");
//resubscribe
client.subscribe("REES52Command");
} else {
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
// Wait 6 seconds before retrying
delay(6000);
}
}
} //end reconnect()
void setup() {
Serial.begin(115200);
setup_wifi();
client.setServer(mqtt_server, 1883);

pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW);
}
void loop() {
if (!client.connected()) {
reconnect();
}
client.setCallback(callback);
client.loop();
}

[@beatrizmulinari7609]

cant find the code. Can you provide again, please?

[@padeiro3582]

toxic