  1. Config Site Map sitemap demo label="Garage Door" { Frame label="Sensors" { Text item=Yun_Temperature { Frame label="Garage Temperature" { Switch item=yun_Chart_Period label="Chart Period" mappings=[0="Hour", 1="Day", 2="Week"] Chart item=Yun_Temperature period=h refresh=6000 visibility= yun_Chart_Period==0,yun_Chart_Period=="Uninitialized"] Chart item=Yun_Temperature period=D refresh=30000 visibility=[yun_Chart_Period==1] Chart item=Yun_Temperature period=W refresh=30000 visibility=[yun_Chart_Period==2] } } Text item=Switch1 Switch item=Relay1 mappings=[ON="Go!"] } 2. Config Item Group All Group Weather (All) Group Sensors (All) /*Sensors */ Group Sensors Number Yun_Temperature "Garage Temperature [%.1f °F]" <temperature> (Temperature, Sensors) {mqtt="<mqttbroker:openhab/garage/temperature:state:default]"} Number yun_Chart_Period "Chart Period" Number Switch1 "Door Status [MAP(switch.map):%d]" <garagedoor> (Sensors) {mqtt="<[mqttbroker:openhab/garage/switch1:state:default]"} Switch Relay1 "Garage Door" <garagedoor> (All) {mqtt=">[mqttbroker:openhab/garage/relay1:command:ON:GO]"} 3. Arduino Code // garagedoor // January, 2015 // Interface YUN to SHT11 temperature/humidity sensor // Report reading to mosquitto mqtt broker server // pete@hoffswell.com #include <SPI.h> #include <SHT1x.h> #include <Bridge.h> #include <YunClient.h> #include <PubSubClient.h> // Variables and Arduino YUN connections // shtx11 to Yun connection ----------- // YUN > SHT11 // 3.3v > VCC 8 // GND > GND 4 // 10 > DATA 1 // 11 > CLK 3 #define dataPin 10 #define clockPin 11 // YUN to Relay --------- // 8 > In1 // GND > GND // 5v > VCC #define relay1 8 // Banggood dual relay module #define led 13 // Onboard LED // YUN to Switch --------------- // 5v > Switch NO // 2 > Switch Comm // 2 > GND via pulldown resistor const int switch1 = 2; // MQTT Server #define MQTT_SERVER "192.168.15.22" unsigned long time; char message_buff[100]; float temp; float humidity; int switch1State = 0; // Systems Initalization YunClient yun; PubSubClient mqtt(MQTT_SERVER, 1883, callback, yun); SHT1x sht1x(dataPin, clockPin); void setup() { pinMode(led,OUTPUT); pinMode(switch1, INPUT); pinMode(relay1,OUTPUT); digitalWrite(led, LOW); Serial.begin(9600); Bridge.begin(); digitalWrite(relay1,LOW); digitalWrite(led, HIGH); } void loop() { if (!mqtt.connected()) { // Connect (or reconnect) to mqtt broker on the openhab server mqtt.connect("yun1"); mqtt.publish("openhab/garage/temperature", "I'm alive!"); mqtt.publish("openhab/garage/switch1", "I'm alive!"); mqtt.subscribe("openhab/garage/relay1"); } // publish Temperature reading every 10 seconds temp = sht1x.readTemperatureF(); humidity = sht1x.readHumidity(); if (millis() > (time + 10000)) { time = millis(); // publish Temperature String pubString = String(temp); pubString.toCharArray(message_buff, pubString.length()+1); Serial.print(pubString + " F " ); mqtt.publish("openhab/garage/temperature", message_buff); //publish switch1 status switch1State = digitalRead(switch1); Serial.println(switch1State); pubString = String(switch1State); pubString.toCharArray(message_buff, pubString.length()+1); mqtt.publish("openhab/garage/switch1", message_buff); digitalWrite(led,switch1State); // Light LED } mqtt.loop(); } void callback(char* topic, byte* payload, unsigned int length) { // MQTT inbound Messaging int i = 0; for(i=0; i<length; i++) { message_buff[i] = payload[i]; } message_buff[i] = '\0'; String msgString = String(message_buff); Serial.println("Inbound: " + String(topic) +":"+ msgString); //Bounce relay if ( msgString == "GO" ) { digitalWrite(relay1,HIGH); delay(1000); digitalWrite(relay1,LOW); } } |