├── .gitattributes
└── 4ch_relay_esp01
    └── 4ch_relay_esp01.ino


/.gitattributes:
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1 | # Auto detect text files and perform LF normalization
2 | * text=auto
3 | 


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/4ch_relay_esp01/4ch_relay_esp01.ino:
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  1 | /*
  2 |  * This is the code for the project
  3 |  * "Internet & Manual Controlled 4ch Automation' 
  4 |  * which is Uploaded on techiesms YouTube Channel
  5 |  * 
  6 |  * You can watch the full tutorial from here
  7 |  * https://youtu.be/tvZ0XZWYe8U
  8 |  * 
  9 |  * 
 10 |  *        techiesms
 11 |  * explore | learn | share
 12 |  * 
 13 |  */
 14 | 
 15 | /****************************************
 16 |    Include Libraries
 17 |  ****************************************/
 18 | #include "UbidotsESPMQTT.h" // Download the libray from here https://github.com/ubidots/ubidots-mqtt-esp
 19 | 
 20 | /****************************************
 21 |    Define Constants
 22 |  ****************************************/
 23 | #define WIFINAME "SmS_jiofi" //Your SSID
 24 | #define WIFIPASS "sms123458956" // Your Wifi Pass
 25 | #define TOKEN "BBFF-4eoB0mUpfvAgV8RD9DRLTg1iE0Z5Kt" // Your Ubidots TOKEN
 26 | 
 27 | 
 28 | #define r1 0
 29 | #define r2 1
 30 | #define r3 2
 31 | #define r4 3
 32 | 
 33 | 
 34 | Ubidots client(TOKEN);
 35 | 
 36 | /****************************************
 37 |    Auxiliar Functions
 38 |  ****************************************/
 39 | 
 40 | void callback(char* topic, byte* payload, unsigned int length) {
 41 | 
 42 |   if ((String)topic == "/v1.6/devices/esp-01/r1/lv")
 43 |   {
 44 |     int mytopic = atoi(topic);
 45 |     payload[length] = '\0';
 46 |     int mymsg = atoi ((const char*)payload);
 47 | 
 48 |     int val1 = mymsg;
 49 |     digitalWrite(r1, val1);
 50 |   }
 51 | 
 52 |   else if ((String)topic == "/v1.6/devices/esp-01/r2/lv")
 53 |   {
 54 | 
 55 |     int mytopic = atoi(topic);
 56 |     payload[length] = '\0';
 57 |     int mymsg = atoi ((const char*)payload);
 58 | 
 59 |     int val1 = mymsg;
 60 |     digitalWrite(r2, val1);
 61 |   }
 62 |   else if ((String)topic == "/v1.6/devices/esp-01/r3/lv")
 63 |   {
 64 | 
 65 |     int mytopic = atoi(topic);
 66 |     payload[length] = '\0';
 67 |     int mymsg = atoi ((const char*)payload);
 68 | 
 69 |     int val1 = mymsg;
 70 |     digitalWrite(r3, val1);
 71 |   }
 72 |   else if ((String)topic == "/v1.6/devices/esp-01/r4/lv")
 73 |   {
 74 | 
 75 |     int mytopic = atoi(topic);
 76 |     payload[length] = '\0';
 77 |     int mymsg = atoi ((const char*)payload);
 78 | 
 79 |     int val1 = mymsg;
 80 |     digitalWrite(r4, val1);
 81 |   }
 82 |   else
 83 |   {}
 84 | }
 85 | //Serial.println();
 86 | 
 87 | /****************************************
 88 |    Main Functions
 89 |  ****************************************/
 90 | 
 91 | void setup() {
 92 |   // put your setup code here, to run once:
 93 |   client.ubidotsSetBroker("business.api.ubidots.com"); // Sets the broker properly for the business account
 94 |   client.setDebug(true); // Pass a true or false bool value to activate debug messages
 95 |   client.wifiConnection(WIFINAME, WIFIPASS);
 96 |   pinMode(r1, OUTPUT);
 97 |   pinMode(r2, OUTPUT);
 98 |   pinMode(r3, OUTPUT);
 99 |   pinMode(r4, OUTPUT);
100 |   digitalWrite(r1, HIGH);
101 |   digitalWrite(r2, HIGH);
102 |   digitalWrite(r3, HIGH);
103 |   digitalWrite(r4, HIGH);
104 |   client.begin(callback);
105 |   client.ubidotsSubscribe("esp-01", "r1"); //Insert the dataSource and Variable's Labels
106 |   client.ubidotsSubscribe("esp-01", "r2"); //Insert the dataSource and Variable's Labels
107 |   client.ubidotsSubscribe("esp-01", "r3"); //Insert the dataSource and Variable's Labels
108 |   client.ubidotsSubscribe("esp-01", "r4"); //Insert the dataSource and Variable's Labels
109 | }
110 | 
111 | void loop() {
112 |   // put your main code here, to run repeatedly:
113 |   if (!client.connected()) {
114 |     client.reconnect();
115 |     client.ubidotsSubscribe("esp-01", "r1"); //Insert the dataSource and Variable's Labels
116 |     client.ubidotsSubscribe("esp-01", "r2"); //Insert the dataSource and Variable's Labels
117 |     client.ubidotsSubscribe("esp-01", "r3"); //Insert the dataSource and Variable's Labels
118 |     client.ubidotsSubscribe("esp-01", "r4"); //Insert the dataSource and Variable's Labels
119 |   }
120 |   client.loop();
121 | }
122 | 


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