diff --git a/app.py b/app.py
index 4fd71e7..ea2d058 100644
--- a/app.py
+++ b/app.py
@@ -1,5 +1,4 @@
 from flask import Flask, render_template, Response
-import asyncio
 
 from indication_driver import IndicationDriver
 from camera_driver import CameraDriver
@@ -13,18 +12,21 @@ camera_driver = CameraDriver()
 def stream():
     global indication_driver
     global camera_driver
-    indication_task = None
+    last_codes = []
     while True:
         jpg, codes = camera_driver.get_decoded_frame(400, 800)
-        trash_category = None
-        if codes:
-            if indication_task is not None:
-                indication_driver.stop_loop()
-            if codes[0] in config.BARCODE_LOOKUP_TABLE.keys():
-                trash_category = config.BARCODE_LOOKUP_TABLE[codes[0]]
-                indication_task = asyncio.create_task(indication_driver.indicate_async(trash_category))
+        if codes and not (set(codes) & set(last_codes)):
+            print(codes)
+            trash_category = None
+            known_code = None
+            for code in codes:
+                known_code = code if code in config.BARCODE_LOOKUP_TABLE.keys() else known_code
+            if known_code:
+                trash_category = config.BARCODE_LOOKUP_TABLE[known_code]
+                indication_driver.indicate(trash_category)
             else:
-                indication_driver.stop_loop()
+                indication_driver.stop()
+            last_codes = codes
         yield b'--frame\r\nContent-Type: image/jpeg\r\n\r\n' + jpg + b'\r\n\r\n'
 
 @app.route('/')