Sous-vide thermostat based on Atmega8, 2x8 HD44780U compatible LCD and DS18B20 digital thermometer
Features:
- Can be reprogrammed via USB interface
- If plugged in USB port, can act as a thermometer
- PID regulator accurately tuned for triac control of a water heater
- Simple user interface controlled by only one encoder with push button
- Precise control of heater power
- Triac switches only at zero crossing of AC voltage which minimizes EMI