DIY Automatic Pet Feeder: Your Furry Friend Never Goes Hungry on Trips

🐾 Automatic Pet Feeder — Smart Butler for Your Furry Friend

🐕 Feature Design

• ⏰ Timed feeding: up to 6 meals/day, adjustable
• 📊 Precise portions: screw auger, ±5g error
• 📷 Camera: photo confirmation at feeding
• 📱 Phone app: remote view / manual feed / low-food alert
• 🔊 Voice call: play owner's recording before feeding

⚙️ Dispensing: Screw Auger

• Stepper motor drives the screw
• One rotation dispenses a fixed volume
• Precise portion via rotation count
• Hard to clog; fits granular pet food

💰 Cost ~¥110

• ESP32-CAM (¥28) + stepper motor + driver (¥15)
• 3D-printed hopper (¥20) + 18650 battery pack (¥25)
• Far below the ¥300+ market products