Introduction - If you have any usage issues, please Google them yourself
Read the current temperature from DS18B20
To obtain the temperature at the time is read out from the DS1302
The current temperature and time on the 1602 LCD display
Every 15 seconds to the current time and temperature value is written to the the AT24C1024 storage chip
Reads the data and upload it to the computer through the serial port from AT24C1024