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Cat flap prey detector

A Pi 5 locks the cat flap when the cat brings prey home.

Full build guide

Cat flap prey detector
No photo in the source; GitHub repository card, served from HardwareLab.

By fl2o (GitHub repository owner)

View original on GitHub View original on Reddit
GitHub stars
55 (GitHub)

Build sheet

Board
Raspberry Pi 5
Other parts
Pi Camera 3 (night vision), RFID module + relay
AI model or service
YOLO (fine-tuned) object detection
Difficulty
Advanced

Overview

Pi 5 + Pi Camera 3 watch a cat flap; a fine-tuned YOLO model spots prey in the cat's mouth and a relay-driven 134.2 kHz RFID jammer keeps the flap locked, then sends an alert.

How it works

Pi Camera 3 watches the flap; a fine-tuned YOLO model spots prey in the cat's mouth and a relay-driven RFID jammer keeps the flap locked, then sends an alert.

Hardware

  • Raspberry Pi 5
  • Pi Camera 3 (night vision)
  • RFID module + relay

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