ashish_8284
Published

Smart Switch Having 6 Outputs & 5 Inputs

Make a smart switch using ESP8266, Raspberry Pi, Mosquitto MQTT brokers, and Node-RED for soft operation. Alexa-enabled.

IntermediateFull instructions providedOver 4 days1,834
Smart Switch Having 6 Outputs & 5 Inputs
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Things used in this project

Hardware components

NodeMCU ESP8266 Breakout Board
NodeMCU ESP8266 Breakout Board
×1
relay board
×1
Opto-Isolator
Opto-Isolator
×1
Resistor 221 ohm
Resistor 221 ohm
×1
Resistor 4.75k ohm
Resistor 4.75k ohm
×1
SMPS 230VAC to 5V DC
×1
Custom PCB
Custom PCB
×1
Raspberry Pi 3 Model B
Raspberry Pi 3 Model B
×1
Jumper wires (generic)
Jumper wires (generic)
×1
Female Header 8 Position 1 Row (0.1")
Female Header 8 Position 1 Row (0.1")
×1
Male-Header 36 Position 1 Row- Long (0.1")
Male-Header 36 Position 1 Row- Long (0.1")
×1

Software apps and online services

MQTT
MQTT
Node-RED
Node-RED
Raspbian
Raspberry Pi Raspbian
MQTT DASH

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
Hot glue gun (generic)
Hot glue gun (generic)

Story

Read more

Schematics

ESP8266 & Relay Board PCB

Custom Made PCB for ESP8266 & Relay Board interfacing with Mini SMPS having 230V AC to 5VDC output

PIN assigment of ESP8266

PIN assignment of ESP8266

Code

ESP8266

Arduino
Code for ESP8266, requried your SSID & Password of router & IP of MQTT server
#include <ESP8266WiFi.h>
#include <PubSubClient.h>

// Update these with values suitable for your network.
const char* ssid = "Your network id";
const char* password = "your password";
const char* mqtt_server = "192.168.1.165"; //IP of your mqtt server(Raspberry PI)

//Output defination
byte night_lamp  = 16  ;  // D0
byte front_light = 0 ;    // D3
byte rear_light  = 2 ;    // D4
byte fan = 15  ;          // D8
byte socket1 = 3 ;        // RX
byte socket2 = 1 ;        // TX

//Input defination
byte  night_lamp_in  = 5 ;  // D1
byte front_light_in = 4 ;   // D2
byte rear_light_in  = 14  ; // D5
byte socket_in  = 12  ;     // D6
byte fan_in = 13  ;         // D7

//Input Bit status by reading input pin status
byte night_lamp_sts;
byte front_light_sts;
byte rear_light_sts;
byte fan_sts;
byte socket_sts;

//Input debounse delay to avoide unwanted switching
unsigned long night_lamp_sts_dly;
unsigned long front_light_sts_dly;
unsigned long rear_light_sts_dly;
unsigned long fan_sts_dly;
unsigned long socket_sts_dly;

//Output Setpoint 
int night_lamp_stpt;
int front_light_stpt;
int rear_light_stpt;
int fan_stpt;
int socket1_stpt;
int socket2_stpt;

WiFiClient espClient;
PubSubClient client(espClient);
char msg[50]; // to storing MQTT message

void setup() {
  //Output Setup
  pinMode ( night_lamp  , OUTPUT  );
  pinMode ( front_light , OUTPUT  );
  pinMode ( rear_light  , OUTPUT  );
  pinMode ( fan ,         OUTPUT  );
  pinMode ( socket1 ,     OUTPUT  );
  pinMode ( socket2 ,     OUTPUT  );

  //Output initialised
  digitalWrite ( night_lamp  , HIGH );
  digitalWrite ( front_light , HIGH );
  digitalWrite ( rear_light  , HIGH );
  digitalWrite ( fan , HIGH );
  digitalWrite ( socket1 ,HIGH );
  digitalWrite ( socket2 ,HIGH );

  //Input Setup
  pinMode ( night_lamp_in  , INPUT  );
  pinMode ( front_light_in , INPUT  );
  pinMode ( rear_light_in  , INPUT  );
  pinMode ( socket_in  ,     INPUT  );
  pinMode ( fan_in ,         INPUT );

  //Printing initial input status **** do not connect rx & tx pin to relay during debugging ***
  /*
  Serial.begin(115200);
  Serial.println();
  Serial.print  ("night_lamp_sts  "); Serial.println    ( night_lamp_sts  );
  Serial.print  ("front_light_sts "); Serial.println    ( front_light_sts );
  Serial.print  ("rear light_sts  "); Serial.println    ( rear_light_sts  );
  Serial.print  ("fan_sts ");         Serial.println    ( fan_sts );
  Serial.print  ("socket_sts ");     Serial.println     ( socket_sts );
  */

  //Setup WiFI
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);
  night_lamp_sts_dly = millis();
  front_light_sts_dly = millis();
  rear_light_sts_dly = millis();
  fan_sts_dly = millis();
  socket_sts_dly = millis();

  //Initialised input status bit
  night_lamp_sts = digitalRead(night_lamp_in);
  front_light_sts = digitalRead(front_light_in);
  rear_light_sts = digitalRead(rear_light_in);
  fan_sts = digitalRead(fan_in);
  socket_sts = !digitalRead(socket_sts);
}

// XXXXXXXXXX uncomment Serial.print statement for debugging purpose.

void setup_wifi() {
  delay(10);
  // We start by connecting to a WiFi network
  //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 connected");
  //Serial.println("IP address: ");
  //Serial.println(WiFi.localIP());
}

void callback(char* topic, byte* payload, unsigned int length) {
  String payloadval_str;
  int payloadval_int, payload_pwm;
  for (int i = 0; i < length; i++) payloadval_str += (char)payload[i];
  payloadval_int = payloadval_str.toInt();
  payload_pwm = map(payloadval_int, 100, 0, 0, 1024);
  recieved_cmd(topic, payloadval_int, payload_pwm);
  //Serial.println("Message Recieved");Serial.print(topic);Serial.print(" ");Serial.println(payloadval_int); 
}

void reconnect() {
  // Loop until we're reconnected
  if (!client.connected()) {
    //Serial.print("Attempting MQTT connection...");
    // Attempt to connect
    if (client.connect("ESP8266Client")) {
      //Serial.println("connected");
      // Once connected, publish an announcement...
      client.publish("ashish/bed1/sw1/", "SB1 is Connected");
      // ... and resubscribe
      client.subscribe("ashish/bed1/sw1/cmd/#");
    } else {
      //Serial.print("failed, rc=");
      //Serial.print(client.state());
      //Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
    }
  }
  //Serial.println("Pub start");
  snprintf (msg, 1, "0");
  client.publish("ashish/bed1/sw1/initialised", msg);
  //Serial.print(msg);
}
void loop() {
  if (!client.connected()) {
    reconnect();
  }
  else client.loop(); 
  if (digitalRead(front_light_in) != front_light_sts) front_light_call();
  else front_light_sts_dly = millis();
   if (digitalRead(rear_light_in) != rear_light_sts) rear_light_call();
  else rear_light_sts_dly = millis();
   if (digitalRead(fan_in) != fan_sts) fan_call();
  else fan_sts_dly = millis();
   if (digitalRead(night_lamp_in) != night_lamp_sts) night_lamp_call();
  else night_lamp_sts_dly = millis();
   if (digitalRead(socket_in) != socket_sts) socket_call();
  else socket_sts_dly = millis();
}
void recieved_cmd(String in_str, int in_int1, int in_int2){ // this function handle all MQTT request
  if (in_str == "ashish/bed1/sw1/cmd/front_light") {
    //Serial.print("MQTT >> Front Light "); Serial.println(in_int2);
    front_light_stpt = in_int1;
    analogWrite(front_light, in_int2);
  }
  if (in_str == "ashish/bed1/sw1/cmd/rear_light") {
    //Serial.print("MQTT >> Rear Light "); Serial.println(in_int2);
    rear_light_stpt = in_int1;
    analogWrite(rear_light, in_int2);
  }
  if (in_str == "ashish/bed1/sw1/cmd/fan") {
    //Serial.print("MQTT >> Fan Light "); Serial.println(in_int2);
    fan_stpt = in_int1;
    analogWrite(fan, in_int2);
  }
  if (in_str == "ashish/bed1/sw1/cmd/socket1") {
    //Serial.print("MQTT >> Socket1 "); Serial.println(in_int2);
    socket1_stpt = in_int1;
    analogWrite(socket1, in_int2);
  }
  if (in_str == "ashish/bed1/sw1/cmd/socket2") {
    //Serial.print("MQTT >> Socket2 "); Serial.println(in_int2);
    socket2_stpt = in_int1;
    analogWrite(socket2, in_int2);
  }
  if (in_str == "ashish/bed1/sw1/cmd/night_lamp") {
    //Serial.print("Night Lamp "); Serial.println(in_int2);
    night_lamp_stpt = in_int1;
    analogWrite(night_lamp, in_int2);
  }
  if (in_str == "ashish/bed1/sw1/cmd/all_device") {
    //Serial.print("MQTT >>All Devices "); Serial.println(in_int2);
      digitalWrite ( night_lamp  , HIGH );
      digitalWrite ( front_light , HIGH );
      digitalWrite ( rear_light  , HIGH );
      digitalWrite ( fan , LOW );
      digitalWrite ( socket1 ,HIGH );
      digitalWrite ( socket2 ,HIGH );
  }
}
void front_light_call(){  //This function handle hardwired switching request
    if(millis() - front_light_sts_dly > 500) {    
        if (front_light_stpt > 0) {
        front_light_stpt = 0;
        client.publish("ashish/bed1/sw1/cmd/front_light", "0");
        analogWrite(front_light, 0); 
      }
      else {
        front_light_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/front_light", "100");
        analogWrite(front_light, 1024);
      }
      front_light_sts = ! front_light_sts;
    }
}
void rear_light_call(){   //This function handle hardwired switching request
    if (millis() - rear_light_sts_dly > 500) { 
      if (rear_light_stpt > 0) {
        rear_light_stpt = 0;
        client.publish("ashish/bed1/sw1/cmd/rear_light", "0");
        analogWrite(rear_light, 0); 
      }
      else {
        rear_light_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/rear_light", "100");
        analogWrite(rear_light, 1024);
      }
      rear_light_sts = ! rear_light_sts;
    }
}  
void night_lamp_call(){   //This function handle hardwired switching request
    if (millis() - night_lamp_sts_dly > 500) { 
      if (night_lamp_stpt > 0) {
        night_lamp_stpt = 0;
        client.publish("ashish/bed1/sw1/cmd/night_lamp", "0");
        analogWrite(night_lamp, 0); 
      }
      else {
        night_lamp_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/night_lamp", "100");
        analogWrite(night_lamp, 1024);
      }
    night_lamp_sts = ! night_lamp_sts;
    }
}
void fan_call(){          //This function handle hardwired switching request
    if (millis() - fan_sts_dly > 500) { 
      if (fan_stpt > 0) {
        fan_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/fan", "0");
        analogWrite(fan, fan_stpt); 
      }
      else {
        fan_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/fan", "100");
        analogWrite(fan, fan_stpt);
      }
     fan_sts = ! fan_sts;
    }
}    
void socket_call(){       //This function handle hardwired switching request
    if (millis() - socket_sts_dly > 500) { 
      if (socket1_stpt > 0 and socket2_stpt == 0 ) {//10
        socket1_stpt = 1024;
        socket2_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/socket1", "100");
        client.publish("ashish/bed1/sw1/cmd/socket2", "100"); 
      }
      else if (socket1_stpt == 0 and socket2_stpt > 0 ) {//01
        socket1_stpt = 1024;
        socket2_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/socket1", "100");
        client.publish("ashish/bed1/sw1/cmd/socket2", "100");
      }
      else if (socket1_stpt == 0 and socket2_stpt == 0 ) {//00
        socket1_stpt = 1024;
        socket2_stpt = 1024;
        client.publish("ashish/bed1/sw1/cmd/socket1", "100");
        client.publish("ashish/bed1/sw1/cmd/socket2", "100");
      }
      else if (socket1_stpt > 0 and socket2_stpt > 0 ){//11
        socket1_stpt = 0;
        socket2_stpt = 0;
        client.publish("ashish/bed1/sw1/cmd/socket1", "0");
        client.publish("ashish/bed1/sw1/cmd/socket2", "0");
      }
    socket_sts = !socket_sts;
    analogWrite(socket1, socket1_stpt);
    analogWrite(socket2, socket2_stpt);
    }
}

Nodered Sketch

JavaScript
Node red Sketch for MQTT message handling and provide Dashboard for user interface
[{"id":"4ee3d2a.c06182c","type":"mqtt in","z":"8ea73ec5.2e8d5","name":"Rear_Light","topic":"ashish/bed1/sw1/rear_light","qos":"0","broker":"7980bb5f.184444","x":180,"y":120,"wires":[["5c1c613d.3c34"]]},{"id":"50b7c57a.5e05ac","type":"mqtt in","z":"8ea73ec5.2e8d5","name":"Night_Lamp","topic":"ashish/bed1/sw1/night_lamp","qos":"0","broker":"7980bb5f.184444","x":190,"y":534,"wires":[["9d429700.4bb298"]]},{"id":"297e2f3b.b4a7f","type":"mqtt in","z":"8ea73ec5.2e8d5","name":"Fan","topic":"ashish/bed1/sw1/fan","qos":"0","broker":"7980bb5f.184444","x":170,"y":220,"wires":[["a3e96244.855ce"]]},{"id":"49a96ae6.7437d4","type":"mqtt in","z":"8ea73ec5.2e8d5","name":"Front_Light","topic":"ashish/bed1/sw1/front_light","qos":"0","broker":"7980bb5f.184444","x":190,"y":20,"wires":[["4b2695c3.37e1dc"]]},{"id":"a6405d1f.4e8b9","type":"mqtt in","z":"8ea73ec5.2e8d5","name":"Socket1","topic":"ashish/bed1/sw1/socket1","qos":"0","broker":"7980bb5f.184444","x":180,"y":320,"wires":[["c4fd9ef9.a3063"]]},{"id":"4b2695c3.37e1dc","type":"alexa-local","z":"8ea73ec5.2e8d5","devicename":"front light","inputtrigger":true,"x":380,"y":20,"wires":[["db0ab654.3f8a28"]]},{"id":"5c1c613d.3c34","type":"alexa-local","z":"8ea73ec5.2e8d5","devicename":"rear light","inputtrigger":true,"x":380,"y":120,"wires":[["d5813ca6.5f331"]]},{"id":"a3e96244.855ce","type":"alexa-local","z":"8ea73ec5.2e8d5","devicename":"fan","inputtrigger":true,"x":370,"y":220,"wires":[["79580806.6f9e28"]]},{"id":"c4fd9ef9.a3063","type":"alexa-local","z":"8ea73ec5.2e8d5","devicename":"socket1","inputtrigger":true,"x":380,"y":320,"wires":[["f65df10b.678a4"]]},{"id":"9d429700.4bb298","type":"alexa-local","z":"8ea73ec5.2e8d5","devicename":"night lamp","inputtrigger":true,"x":390,"y":520,"wires":[["3eee0d3c.2ec242"]]},{"id":"d1374527.23a918","type":"mqtt in","z":"8ea73ec5.2e8d5","name":"All devices","topic":"ashish/bed1/sw1/all_devices","qos":"0","broker":"7980bb5f.184444","x":180,"y":640,"wires":[["d3b0ee4a.050b"]]},{"id":"db0ab654.3f8a28","type":"switch","z":"8ea73ec5.2e8d5","name":"switch","property":"on_off_command","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"false","repair":false,"outputs":2,"x":550,"y":20,"wires":[["1a63d9f9.bb5966"],["f40c9e41.311f3"]]},{"id":"f40c9e41.311f3","type":"function","z":"8ea73ec5.2e8d5","name":"Setpoint","func":"msg.payload = msg.bri\nreturn msg;","outputs":1,"noerr":0,"x":840,"y":20,"wires":[["ed52b8ef.322d08"]]},{"id":"1a63d9f9.bb5966","type":"function","z":"8ea73ec5.2e8d5","name":"on_off","func":"if (msg.payload == \"on\")\n{\n    msg.payload = 100\n}\nif (msg.payload == \"off\")\n{\n    msg.payload = 0\n\n}\nreturn msg;\n","outputs":1,"noerr":0,"x":690,"y":20,"wires":[["ed52b8ef.322d08"]]},{"id":"d5813ca6.5f331","type":"switch","z":"8ea73ec5.2e8d5","name":"switch","property":"on_off_command","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"false","repair":false,"outputs":2,"x":570,"y":120,"wires":[["b7757bef.5a2da8"],["1297239c.f484cc"]]},{"id":"b7757bef.5a2da8","type":"function","z":"8ea73ec5.2e8d5","name":"on_off","func":"if (msg.payload == \"on\")\n{\n    msg.payload = 100\n}\nif (msg.payload == \"off\")\n{\n    msg.payload = 0\n\n}\nreturn msg;\n","outputs":1,"noerr":0,"x":690,"y":120,"wires":[["721732ab.b1f8ec"]]},{"id":"1297239c.f484cc","type":"function","z":"8ea73ec5.2e8d5","name":"Setpoint","func":"msg.payload = msg.bri\nreturn msg;","outputs":1,"noerr":0,"x":840,"y":120,"wires":[["721732ab.b1f8ec"]]},{"id":"79580806.6f9e28","type":"switch","z":"8ea73ec5.2e8d5","name":"switch","property":"on_off_command","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"false","repair":false,"outputs":2,"x":570,"y":220,"wires":[["daf71170.2b6f"],["491d6c14.74b384"]]},{"id":"daf71170.2b6f","type":"function","z":"8ea73ec5.2e8d5","name":"on_off","func":"if (msg.payload == \"on\")\n{\n    msg.payload = 100\n}\nif (msg.payload == \"off\")\n{\n    msg.payload = 0\n\n}\nreturn msg;\n","outputs":1,"noerr":0,"x":710,"y":220,"wires":[["1d3dd882.b0b8f7"]]},{"id":"491d6c14.74b384","type":"function","z":"8ea73ec5.2e8d5","name":"Setpoint","func":"msg.payload = msg.bri\nreturn msg;","outputs":1,"noerr":0,"x":840,"y":220,"wires":[["1d3dd882.b0b8f7"]]},{"id":"f65df10b.678a4","type":"switch","z":"8ea73ec5.2e8d5","name":"switch","property":"on_off_command","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"false","repair":false,"outputs":2,"x":570,"y":320,"wires":[["e4962564.4f1e38"],["c9ea4caf.0a1c3"]]},{"id":"e4962564.4f1e38","type":"function","z":"8ea73ec5.2e8d5","name":"on_off","func":"if (msg.payload == \"on\")\n{\n    msg.payload = 100\n}\nif (msg.payload == \"off\")\n{\n    msg.payload = 0\n\n}\nreturn msg;\n","outputs":1,"noerr":0,"x":710,"y":320,"wires":[["59d6709d.0e5a5"]]},{"id":"c9ea4caf.0a1c3","type":"function","z":"8ea73ec5.2e8d5","name":"Setpoint","func":"msg.payload = msg.bri\nreturn msg;","outputs":1,"noerr":0,"x":840,"y":320,"wires":[["59d6709d.0e5a5"]]},{"id":"3eee0d3c.2ec242","type":"switch","z":"8ea73ec5.2e8d5","name":"switch","property":"on_off_command","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"false","repair":false,"outputs":2,"x":570,"y":534,"wires":[["aa79b47d.ed17b8"],["46816734.4eeac8"]]},{"id":"aa79b47d.ed17b8","type":"function","z":"8ea73ec5.2e8d5","name":"on_off","func":"if (msg.payload == \"on\")\n{\n    msg.payload = 100\n}\nif (msg.payload == \"off\")\n{\n    msg.payload = 0\n\n}\nreturn msg;\n","outputs":1,"noerr":0,"x":710,"y":534,"wires":[["fef43b79.e54488"]]},{"id":"46816734.4eeac8","type":"function","z":"8ea73ec5.2e8d5","name":"Setpoint","func":"msg.payload = msg.bri\nreturn msg;","outputs":1,"noerr":0,"x":840,"y":534,"wires":[["fef43b79.e54488"]]},{"id":"b60b9c31.639fc","type":"switch","z":"8ea73ec5.2e8d5","name":"switch","property":"on_off_command","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"false","repair":false,"outputs":2,"x":570,"y":654,"wires":[["cdd5a640.b81d78"],["3009c3d4.7ae1fc"]]},{"id":"cdd5a640.b81d78","type":"function","z":"8ea73ec5.2e8d5","name":"on_off","func":"if (msg.payload == \"on\")\n{\n    msg.payload = 100\n}\nif (msg.payload == \"off\")\n{\n    msg.payload = 0\n\n}\nreturn msg;\n","outputs":1,"noerr":0,"x":710,"y":634,"wires":[["fef43b79.e54488","59d6709d.0e5a5","1d3dd882.b0b8f7","721732ab.b1f8ec","ed52b8ef.322d08","6fc46ae1.7dc424","d4740469.2bd6d8","5ba4d0a8.bca1f","8cc3adc7.3a78f","ea68c68a.3ed318","ab1da280.8fbd7","49b23beb.2165a4","9c2b5673.a26538"]]},{"id":"3009c3d4.7ae1fc","type":"function","z":"8ea73ec5.2e8d5","name":"Setpoint","func":"msg.payload = msg.bri\nreturn msg;","outputs":1,"noerr":0,"x":720,"y":674,"wires":[["721732ab.b1f8ec","1d3dd882.b0b8f7","59d6709d.0e5a5","fef43b79.e54488","ed52b8ef.322d08","6fc46ae1.7dc424","d4740469.2bd6d8","5ba4d0a8.bca1f","8cc3adc7.3a78f","ea68c68a.3ed318","ab1da280.8fbd7","49b23beb.2165a4","9c2b5673.a26538"]]},{"id":"ed52b8ef.322d08","type":"mqtt out","z":"8ea73ec5.2e8d5","name":"Front Light","topic":"ashish/bed1/sw1/cmd/front_light","qos":"","retain":"","broker":"7980bb5f.184444","x":990,"y":20,"wires":[]},{"id":"721732ab.b1f8ec","type":"mqtt out","z":"8ea73ec5.2e8d5","name":"Rear Light","topic":"ashish/bed1/sw1/cmd/rear_light","qos":"","retain":"","broker":"7980bb5f.184444","x":990,"y":120,"wires":[]},{"id":"1d3dd882.b0b8f7","type":"mqtt out","z":"8ea73ec5.2e8d5","name":"Fan","topic":"ashish/bed1/sw1/cmd/fan","qos":"","retain":"","broker":"7980bb5f.184444","x":970,"y":220,"wires":[]},{"id":"59d6709d.0e5a5","type":"mqtt out","z":"8ea73ec5.2e8d5","name":"Socket1","topic":"ashish/bed1/sw1/cmd/socket1","qos":"","retain":"","broker":"7980bb5f.184444","x":980,"y":320,"wires":[]},{"id":"fef43b79.e54488","type":"mqtt out","z":"8ea73ec5.2e8d5","name":"Night Lamp","topic":"ashish/bed1/sw1/cmd/night_lamp","qos":"","retain":"","broker":"7980bb5f.184444","x":990,"y":534,"wires":[]},{"id":"1e24a543.40864b","type":"mqtt 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Credits

ashish_8284
10 projects • 34 followers
Contact
Thanks to Nick O'Leary & Ben Hardill.

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