Introduction - If you have any usage issues, please Google them yourself
Microcontroller clock module DS1302, display module 12864, part of the circuit of the keyboard as well as the temperature acquisition module DS18B20 display zodiac, year, month, date, day of week, time, minutes, seconds and other functions Gregorian and lunar able to automatically associates with a thermometer have the year, month, date, day of the week, when, minutes, seconds calibration function