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Beginner1-3 hours each12+No extra parts needed
ESP32 Pet Gadgets: 8 DIY Toys & Tools for Cats, Dogs & Fish
Your cat doesn’t care about your GPA. Your dog doesn’t care about your Minecraft world. But build them a laser toy that moves by itself? Now you’re their favorite human. These projects combine ESP32 with servos, LEDs, and sensors to make gadgets your pets will actually interact with — and that YOU’LL have fun building.
Projects
Beginner
| Project | What you’ll build | Time |
|---|---|---|
| Auto Laser Chaser | A pan-tilt laser toy with random patterns and phone control — instant cat zoomies | ~1.5h |
| Automatic Fish Feeder | A servo-driven feeder wheel that dispenses portions on a schedule — vacation-proof | ~1.5h |
| Interactive Feather Wand | A PIR-activated feather toy that starts moving when your cat enters the room | ~1h |
| Treat Dispenser | A servo-gated treat machine your dog learns to trigger by pressing a big button | ~1.5h |
Intermediate
| Project | What you’ll build | Time |
|---|---|---|
| Automatic Ball Launcher | A counter-rotating wheel launcher — your dog drops the ball in, backs up, fetch repeats | ~3h |
| Pet Cam with Motion Alerts | An ESP32-CAM that sends motion-triggered photos to your phone via Telegram | ~2h |
| Cat Activity Monitor | PIR sensors across rooms tracking your cat’s movement with a web dashboard heatmap | ~2h |
| Smart Aquarium Controller | Automatic temperature control, sunrise/sunset lighting, and Telegram alerts for your tank | ~2.5h |
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