Initialization
- When powered on, the default set temperature is 20 °C.
- The fan turns on automatically and stays on during the entire process.
- The heating element starts off, waiting for temperature control.
2. Temperature Adjustment
- The desired temperature can be set using the adjust button.
- Example: pressing the button increases the value from 20 °C to 30 °C (or another configured value).
- The OLED display shows:
- Top line → Set Temperature (SET)
- Bottom line → Current Temperature (MED)
3. Operation
- The DS18B20 sensor measures the internal temperature.
- While the temperature is below the set value, the heater is switched on.
- Once the set temperature is reached, the heater is switched off.
- The fan remains always on, ensuring air circulation.
4. Cycle
- The on/off heater cycle repeats as needed to maintain stable temperature.
- The process continues until the user manually turns off the system.
