A smart pellet grill controller powered by the Arduino Uno R4 WiFi. This system controls the auger, burner, and blower while monitoring grill and pellet levels. It features both a local web interface and cloud integration with support for Alexa, predictive pellet refill alerts, auto smoke modes, and a mobile app.
- Temperature Monitoring
- Grill, meat, and ambient temperature support
- Relay Control
- Automate auger, burner, and blower based on desired temperature
- OLED Status Display
- Live status updates on a compact screen
- Pellet Level Monitoring
- Alerts and forecasting for pellet refills
- LED Indicators
- Visual cue for each relay’s status
- Local Controls
- Manual override with buttons or rotary encoder
- Web Interface
- Adjust temperature and view status remotely
- Server Integration
- Upload data to cloud dashboard
- Advanced Features
- Alexa integration
- Auto smoke modes (Low & Slow, Sear, etc.)
- Predictive pellet refill alerts
- Mobile app with real-time updates and push notifications
| Component | Purpose |
|---|---|
| Arduino Uno R4 WiFi | Central microcontroller |
| MAX6675 + K-Type Probe | High-temp grill monitoring |
| DS18B20 Sensors | Meat/internal temperature |
| Load Cell + HX711 | Pellet level monitoring |
| OLED I2C Display | Status feedback |
| 3-Channel Relay Board | Control auger, blower, burner |
| LEDs | Relay status indicators |
| Button/Encoder | Local input interface |
| WiFi | Web server and remote comms |