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--- en:iot:relay [2017/09/22 11:47] – created Somepub
+++ en:iot:relay [2020/07/20 12:00] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+<code c>
+#include <Arduino.h>
+#include <ittiot.h>
+#define RELAY_PIN 5
+// If message received switch relay
+void iot_received(String topic, String msg)
+{
+  Serial.print("MSG FROM USER callback, topic: ");
+  Serial.print(topic);
+  Serial.print(" payload: ");
+  Serial.println(msg);
+  if(msg == "1")
+  {
+    digitalWrite(RELAY_PIN, HIGH);
+  }
+  if(msg == "0")
+  {
+    digitalWrite(RELAY_PIN, LOW);
+  }
+}
+void iot_connected()
+{
+  Serial.println("MQTT connected callback");
+  iot.subscribe("relay");
+  iot.log("IoT relay example!");
+}
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println("Booting");
+  iot.printConfig(); // print json config to serial //Peale Serial.begin ja enne iot.setup
+  iot.setup();
+  pinMode(RELAY_PIN, OUTPUT);
+}
+void loop()
+{
+  iot.handle();
+  delay(200);
+}
+</code>