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--- et:iot:examples:servo [2023/01/28 13:47] – tekitatud karllall
+++ et:iot:examples:servo [Unknown date] (current) – external edit (Unknown date) 127.0.0.1
@@ Line 1: / Line 1: @@
+====== Servo näidis ======
+Servomootor peab olema ühendatud anduri mooduliga. Oluline on jälgida, et servomootor oleks õigesti ühendatud. Õige ühendamise viis on näha allolevalt pildilt:
+{{:en:iot:examples:servopicture1.jpg?200|}}
+{{:en:iot:examples:servopicture2.jpg?200|}}
+Vajaminevad teegid:
+<code>lib_deps = ITTIoT</code>
+<code c>
+/*
+ * IoT Servo example
+ *
+ * This example subscribe to the "servo" topic. When a message received, then it
+ * change servo position
+ *
+ * Created 11 Sept 2017 by Heiko Pikner
+ */
+// Includes global variables and librarys that the servo motor uses
+#include <Arduino.h>
+#include <Servo.h>
+#include <ittiot.h>
+#define MODULE_TOPIC "ESP30/servo"
+#define WIFI_NAME "name"
+#define WIFI_PASSWORD "password"
+//Pin definition for the Servo (D3)
+#define SERVO_PIN            D3
+Servo myservo;  // create servo object to control a servo
+// Change the servo position (value between 0 and 180) when a message has been received
+// mosquitto_pub -u test -P test -t "RL/esp-{ESP-ID}/servo" -m "51" = this calls servo motor to change position
+void iot_received(String topic, String msg)
+{
+  Serial.print("MSG FROM USER callback, topic: ");
+  Serial.print(topic);
+  Serial.print(" payload: ");
+  Serial.println(msg);
+  if(topic == MODULE_TOPIC)
+  {
+    myservo.write(msg.toInt());
+  }
+}
+// Function started after the connection to the server is established
+void iot_connected()
+{
+  Serial.println("MQTT connected callback");
+  iot.subscribe(MODULE_TOPIC); // Subscribe to the topic "servo"
+  iot.log("IoT Servo example!");
+}
+void setup()
+{
+  Serial.begin(115200); // Setting up serial connection parameter
+  Serial.println("Booting");
+  //iot.setConfig("wname", WIFI_NAME);
+  //iot.setConfig("wpass", WIFI_PASSWORD);
+  iot.printConfig(); // Print json config to serial
+  iot.setup(); // Initialize IoT library
+  myservo.attach(SERVO_PIN); // Setting the servo control pin
+}
+void loop()
+{
+  iot.handle(); // IoT behind the plan work, it should be periodically called
+}
+</code>