| Symptom | Likely Cause | Solution | |---------|--------------|----------| | QR not decoding | Motion blur | Increase shutter speed (e.g., 1/500s) | | | Out of focus | Lock manual focus, use fixed focal length | | | Glare | Change camera angle or use polarizer | | High latency | Wi-Fi interference | Use Ethernet | | | Large image size | Reduce JPEG quality to 85% before upload | | Telegram send fails | File too large | Resize 4K to 1920x1080 for Telegram | | Camera stream drops | RTSP timeout | Reconnect on failure using try-except loop |
Use a Python-based script (like those found on GitHub ) to act as a bridge. ip+camera+qr+telegram+high+quality