manual adjust clock with alarm, (date) thermometer and higrometer http://nicuflorica.blogspot.ro/2017/08/ceas-cu-reglaj-manual-al-orei-alarma-si.html
sketch: version 4_1, 4_2, 4_3 and 4_4
RTC clock with manual adjust, date, alarm, temperature and humidity + auto afjust light intensity of display (using photoresistor) https://nicuflorica.blogspot.ro/2017/08/ceas-cu-reglaj-manual-al-orei-si-datei_25.html