Управление серво с NODE-RED на ESP32

esp_node-red_mqtt/sketch_may14b.ino

@@ -5,6 +5,7 @@
 #include <PubSubClient.h>
 #include <Wire.h>
 #include <BH1750.h>
+#include <ESP32Servo.h>
 
 BH1750 lightMeter;
 
@@ -54,6 +55,9 @@ httpd_handle_t server = NULL;
 #define LED_PIN 21
 #define LED_COUNT 8
 
+#define SERVO_PIN 47
+Servo myServo;
+
 Adafruit_NeoPixel strip(
     LED_COUNT,
     LED_PIN,
@@ -174,7 +178,7 @@ bool initCamera()
     config.xclk_freq_hz = 20000000;
     config.pixel_format = PIXFORMAT_JPEG;
 
-    config.frame_size = FRAMESIZE_QQVGA;
+    config.frame_size = FRAMESIZE_QVGA;
     config.jpeg_quality = 20;
     config.grab_mode = CAMERA_GRAB_LATEST;
     config.fb_count = 1;
@@ -282,6 +286,9 @@ void setup()
     strip.setBrightness(80);
 
     client.setCallback(callback);
+
+    myServo.attach(SERVO_PIN);
+    servoStop();
 }
 
 
@@ -292,6 +299,7 @@ void connectMQTT() {
     if (client.connect(id.c_str())) {
       Serial.println("MQTT OK");
       client.subscribe("esp32/led");
+      client.subscribe("esp32/servo");
     } else {
       Serial.println("MQTT FAIL");
       delay(2000);
@@ -301,39 +309,79 @@ void connectMQTT() {
 
 void setColor(int r, int g, int b)
 {
-    for (int i = 0; i < LED_COUNT; i++)
-    {
+    for (int i = 0; i < LED_COUNT; i++){
         strip.setPixelColor(i, strip.Color(r, g, b));
     }
-
     strip.show();
 }
 
+void servoStop()
+{
+    myServo.write(92);
+}
+
+
+void servoLeft(int ms)
+{
+    myServo.write(30);
+    unsigned long start = millis();
+    while (millis() - start < ms)
+    {
+        client.loop();
+        delay(10);
+    }
+    servoStop();
+}
+
+
+void servoRight(int ms)
+{
+    myServo.write(150);
+    unsigned long start = millis();
+    while (millis() - start < ms)
+    {
+        client.loop();
+        delay(10);
+    }
+    servoStop();
+}
 
 void callback(char* topic, byte* payload, unsigned int length)
 {
     String msg;
-
-    for (int i = 0; i < length; i++)
-    {
+    for (int i = 0; i < length; i++){
         msg += (char)payload[i];
     }
-
     Serial.print("MQTT: ");
     Serial.println(msg);
 
-    // OFF
-    if (msg == "OFF")
-    {
-        setColor(0,0,0);
-        return;
+    if (String(topic) == "esp32/led"){
+        if (msg == "OFF"){
+            setColor(0,0,0);
+            return;
+        }
+        int r,g,b;
+        sscanf(msg.c_str(), "%d,%d,%d", &r,&g,&b);
+        setColor(r,g,b);
     }
 
-    int r, g, b;
+    if (String(topic) == "esp32/servo")
+    {
+        // ДЕНЬ
+        if (msg == "DAY"){
+            servoRight(10000);
+        }
 
-    sscanf(msg.c_str(), "%d,%d,%d", &r, &g, &b);
+        // НОЧЬ
+        if (msg == "NIGHT"){
+            servoLeft(10000);
+        }
 
-    setColor(r,g,b);
+        // ПОЛДЕНЬ
+        if (msg == "MID"){
+            servoRight(5000);
+        }
+    }
 }
 
 void loop()