I want a temperature controller with the following procees. When I push the button the temperature rise until the level I set , start a timer and the goal is keep the temperature stable until the time I set is expire, then an alarm notice me what is the next step, stop the process or set another temperature and time.
My hardware is:
Arduino LCD KeyPad Shield (SKU: DFR0009)
WATERPROOF TEMPERATURE SENSOR DS18B20
DS3231 REAL TIME CLOCK MODULE
1 relay module for arduino
Please if any extra module is required notify me