[IP Camera] → (RTSP/ONVIF) → [Decoding Server] → (QR Detection & Decoding) → [Telegram Bot API] → [User/Group Chat]
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[Optional: Cloud Storage]
QR codes are ubiquitous in access control, payment, and identification systems. Traditional smartphone-based scanning requires physical proximity and user action. By using fixed IP cameras, the process becomes automated, non-intrusive, and scalable.
This is the core engine. The following script polls your camera via RTSP (Real Time Streaming Protocol) and sends a high-quality frame to Telegram upon a QR trigger.
import cv2
import requests
import qrcode
from telegram import Bot
Open Telegram and search for @BotFather. Send /newbot. Name it "High Quality Surveillance." You will receive an API Token (e.g., 123456:ABC-DEF).
If you want instant QR triggering: