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#include "esp_camera.h"
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#include <WiFi.h>
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#include <WiFiClientSecure.h>
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#include <ArduinoJson.h>
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#include <FirebaseESP32.h>
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#include <ESP32Servo.h>
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const char* ssid = "Maratus soleha";
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const char* password = "12345678";
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// ================= Cloudinary =====================
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const char* cloud_name = "duecjbzre";
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const char* upload_preset = "esp32upload";
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// ================= Firebase =====================
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#define FIREBASE_AUTH "AIzaSyAHdV9uhz6NgtMN5x-NGJ5-XtdxOUpQW4g"
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#define FIREBASE_HOST "https://paket-b7ef8-default-rtdb.asia-southeast1.firebasedatabase.app/"
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FirebaseData firebaseData;
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FirebaseAuth firebaseAuth;
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FirebaseConfig firebaseConfig;
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Servo myServo;
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// ================= Ultrasonik =====================
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#define TRIG_PIN 12
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#define ECHO_PIN 13
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bool objekTerdeteksi = false;
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#define SERVO_PIN 14
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// ================= Kamera ESP32-CAM =====================
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#define PWDN_GPIO_NUM 32
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#define RESET_GPIO_NUM -1
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#define XCLK_GPIO_NUM 0
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#define SIOD_GPIO_NUM 26
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#define SIOC_GPIO_NUM 27
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#define Y9_GPIO_NUM 35
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#define Y8_GPIO_NUM 34
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#define Y7_GPIO_NUM 39
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#define Y6_GPIO_NUM 36
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#define Y5_GPIO_NUM 21
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#define Y4_GPIO_NUM 19
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#define Y3_GPIO_NUM 18
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#define Y2_GPIO_NUM 5
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#define VSYNC_GPIO_NUM 25
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#define HREF_GPIO_NUM 23
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#define PCLK_GPIO_NUM 22
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// ================= SETUP =====================
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void setup() {
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Serial.begin(115200);
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delay(1000);
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pinMode(TRIG_PIN, OUTPUT);
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pinMode(ECHO_PIN, INPUT);
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WiFi.begin(ssid, password);
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Serial.print("Menghubungkan WiFi");
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("\n✅ WiFi terhubung!");
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firebaseConfig.database_url = FIREBASE_HOST;
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firebaseConfig.signer.tokens.legacy_token = FIREBASE_AUTH;
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Firebase.begin(&firebaseConfig, &firebaseAuth);
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Firebase.reconnectWiFi(true);
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myServo.attach(SERVO_PIN);
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myServo.write(0);
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camera_config_t config;
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config.ledc_channel = LEDC_CHANNEL_0;
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config.ledc_timer = LEDC_TIMER_0;
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config.pin_d0 = Y2_GPIO_NUM;
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config.pin_d1 = Y3_GPIO_NUM;
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config.pin_d2 = Y4_GPIO_NUM;
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config.pin_d3 = Y5_GPIO_NUM;
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config.pin_d4 = Y6_GPIO_NUM;
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config.pin_d5 = Y7_GPIO_NUM;
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config.pin_d6 = Y8_GPIO_NUM;
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config.pin_d7 = Y9_GPIO_NUM;
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config.pin_xclk = XCLK_GPIO_NUM;
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config.pin_pclk = PCLK_GPIO_NUM;
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config.pin_vsync = VSYNC_GPIO_NUM;
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config.pin_href = HREF_GPIO_NUM;
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config.pin_sscb_sda = SIOD_GPIO_NUM;
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config.pin_sscb_scl = SIOC_GPIO_NUM;
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config.pin_pwdn = PWDN_GPIO_NUM;
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config.pin_reset = RESET_GPIO_NUM;
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config.xclk_freq_hz = 20000000;
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config.pixel_format = PIXFORMAT_JPEG;
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config.frame_size = FRAMESIZE_VGA;
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config.jpeg_quality = 10;
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config.fb_count = 1;
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if (esp_camera_init(&config) != ESP_OK) {
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Serial.println("❌ Kamera gagal diinisialisasi");
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while (1);
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}
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}
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// ================= LOOP =====================
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void loop() {
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float jarak = ukurJarak();
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Serial.print("📏 Jarak: ");
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Serial.print(jarak);
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Serial.println(" cm");
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// Cek jika objek baru terdeteksi (transisi: tidak ada → ada)
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if (jarak > 0 && jarak <= 15.0 && !objekTerdeteksi) {
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objekTerdeteksi = true;
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Serial.println("📷 Objek terdeteksi! Mengambil gambar...");
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ambilUploadDanSimpan();
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}
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// Reset flag jika objek menjauh
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if (jarak > 20.0) {
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objekTerdeteksi = false;
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}
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BukaTutupServo();
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delay(500);
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}
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// ================= Ultrasonik =====================
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float ukurJarak() {
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digitalWrite(TRIG_PIN, LOW);
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delayMicroseconds(2);
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digitalWrite(TRIG_PIN, HIGH);
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delayMicroseconds(10);
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digitalWrite(TRIG_PIN, LOW);
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long durasi = pulseIn(ECHO_PIN, HIGH, 30000);
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if (durasi == 0) return -1;
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return durasi * 0.034 / 2;
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}
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void BukaTutupServo() {
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if (Firebase.getBool(firebaseData, "servo")) {
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bool perintah = firebaseData.boolData();
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Serial.print("🔧 Perintah servo: ");
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Serial.println(perintah);
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if (perintah == true) {
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myServo.write(0); // servo membuka
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} else if (perintah == false) {
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myServo.write(180); // servo menutup
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} else {
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Serial.println("❗ Perintah tidak dikenal");
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}
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} else {
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Serial.print("❌ Gagal membaca data servo: ");
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Serial.println(firebaseData.errorReason());
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}
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}
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// ================= Upload ke Cloudinary & Simpan Firebase =====================
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void ambilUploadDanSimpan() {
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camera_fb_t *fb = esp_camera_fb_get();
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if (!fb) {
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Serial.println("❌ Gagal mengambil gambar");
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return;
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}
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WiFiClientSecure client;
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client.setInsecure(); // Abaikan sertifikat SSL
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if (!client.connect("api.cloudinary.com", 443)) {
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Serial.println("❌ Gagal terhubung ke Cloudinary");
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return;
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}
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String boundary = "----WebKitFormBoundary7MA4YWxkTrZu0gW";
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String startRequest = "--" + boundary + "\r\n" +
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"Content-Disposition: form-data; name=\"file\"; filename=\"esp32.jpg\"\r\n" +
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"Content-Type: image/jpeg\r\n\r\n";
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String endRequest = "\r\n--" + boundary + "\r\n" +
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"Content-Disposition: form-data; name=\"upload_preset\"\r\n\r\n" +
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String(upload_preset) + "\r\n--" + boundary + "--\r\n";
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int contentLength = startRequest.length() + fb->len + endRequest.length();
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client.println("POST /v1_1/" + String(cloud_name) + "/image/upload HTTP/1.1");
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client.println("Host: api.cloudinary.com");
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client.println("Content-Type: multipart/form-data; boundary=" + boundary);
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client.println("Content-Length: " + String(contentLength));
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client.println("Connection: close");
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client.println();
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client.print(startRequest);
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client.write(fb->buf, fb->len);
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client.print(endRequest);
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// Lewati header dulu
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while (client.connected()) {
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String line = client.readStringUntil('\n');
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if (line.length() <= 1) break; // "\r" atau ""
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}
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// Sekarang baca JSON body dengan cara aman
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String response;
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while (client.available()) {
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char c = client.read();
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response += c;
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}
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// Potong hanya bagian JSON
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int jsonStart = response.indexOf('{');
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if (jsonStart == -1) {
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Serial.println("❌ Tidak ditemukan awalan JSON");
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Serial.println(response); // Untuk debug
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return;
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}
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response = response.substring(jsonStart); // Buang header, ambil JSON murni
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Serial.println("📦 JSON Akhir:");
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Serial.println(response);
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// Parse JSON
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DynamicJsonDocument doc(4096);
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DeserializationError error = deserializeJson(doc, response);
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if (error) {
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Serial.print("❌ Gagal parsing JSON: ");
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Serial.println(error.c_str());
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esp_camera_fb_return(fb);
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return;
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}
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String secure_url = doc["secure_url"];
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Serial.print("✅ URL Gambar: ");
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Serial.println(secure_url);
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esp_camera_fb_return(fb);
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FirebaseJson json;
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json.set("url", secure_url);
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json.set("timestamp", millis());
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json.set("status", true);
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if (Firebase.setJSON(firebaseData, "/Gambar", json)) {
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Serial.println("✅ Data berhasil dikirim ke Firebase");
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} else {
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Serial.print("❌ Gagal kirim ke Firebase: ");
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Serial.println(firebaseData.errorReason());
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}
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}
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