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| en:iot:examples:servo [2017/12/05 09:20] – Somepub | en:iot:examples:servo [2021/03/05 10:00] (current) – external edit 127.0.0.1 | ||
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| Line 1: | Line 1: | ||
| - | ====== Servo ====== | + | ====== Servo example====== |
| - | ==== Theory ==== | ||
| + | Servo motor has to be connected to the sensor module. Motor cable pins has to be connected to left side of the sensor pins, and also the brown cable(GRND) has to be connected to the left side of the pin. | ||
| + | {{: | ||
| - | ==== Practical ==== | + | {{: |
| - | Servo motor has to be connected to the sensor module. Motor cable pins has to be connected to left side of the sensor pins, and also the brown cable(GRND) has to be connected to the left side of the pin. | + | Needed libraries: |
| - | + | < | |
| - | {{:en: | + | |
| - | + | ||
| - | {{: | + | |
| <code c> | <code c> | ||
| Line 23: | Line 21: | ||
| */ | */ | ||
| + | // Includes global variables and librarys that the servo motor uses | ||
| #include < | #include < | ||
| #include < | #include < | ||
| #include < | #include < | ||
| + | |||
| + | #define MODULE_TOPIC " | ||
| + | #define WIFI_NAME " | ||
| + | #define WIFI_PASSWORD " | ||
| //Pin definition for the Servo (D3) | //Pin definition for the Servo (D3) | ||
| Line 32: | Line 35: | ||
| Servo myservo; | Servo myservo; | ||
| - | // Change the servo position (value between 0 and 180) | + | // Change the servo position (value between 0 and 180) when a message has been received |
| - | // mosquitto_pub -u test -P test -t "ITT/iot/test1/ | + | // mosquitto_pub -u test -P test -t "RL/esp-{ESP-ID}/ |
| void iot_received(String topic, String msg) | void iot_received(String topic, String msg) | ||
| { | { | ||
| Line 42: | Line 44: | ||
| Serial.println(msg); | Serial.println(msg); | ||
| - | | + | |
| - | | + | |
| - | + | myservo.write(msg.toInt()); | |
| - | | + | } |
| } | } | ||
| Line 52: | Line 54: | ||
| { | { | ||
| Serial.println(" | Serial.println(" | ||
| - | | + | |
| - | iot.subscribe(" | + | iot.subscribe(MODULE_TOPIC); |
| iot.log(" | iot.log(" | ||
| } | } | ||
| Line 59: | Line 61: | ||
| void setup() | void setup() | ||
| { | { | ||
| - | Serial.begin(115200); | + | Serial.begin(115200); |
| Serial.println(" | Serial.println(" | ||
| - | // Print json config to serial | + | //iot.setConfig(" |
| - | iot.printConfig(); | + | |
| - | // Initialize IoT library | + | |
| - | iot.setup(); | + | iot.setup(); |
| - | myservo.attach(SERVO_PIN); | + | myservo.attach(SERVO_PIN); |
| } | } | ||
| void loop() | void loop() | ||
| { | { | ||
| - | // IoT behind the plan work, it should be periodically called | + | |
| - | iot.handle(); | + | |
| - | delay(200); | + | |
| } | } | ||
| </ | </ | ||
