Write some software

Άλλο ή όχι σίγουρος Άλλο ή όχι σίγουρος I want a Funduino Uno (Rev3) program. Funduino has a ATmega328 microprocessor and I want to do the following -Set a temperature by buttons - trigger a relay that open a small heater -When the temperature rise to the desirable level stay there for a time that I select by buttons too. Note the time limit set to 30 min -120 min. Other details about the project will given to freelancer later