MCU based digital clocks are all over the Internet. So making another one isn’t an option if you want to impress someone. Konstantinos have decided to expand his clock with additional unique features that makes it interesting and useful.
As a base processor he used PIC16F917 microcontroller that reads clock data from DS1305 RTC IC. Clock outputs time in two formats – digital on LCD and binary on LEDs. This is already geeky but this isn’t it. It also has a digital humidity and temperature sensor SHT11 attached which displays ambient temperature and absolute (gr/m3) and relative (%) humidity.