AVR controlled clock

This AVR based clock is one of the most simplest designs you can find, only the basics. Anyone can build it by using cheap and easy to find parts. The author writes: A friend of mine needed a clock into his amplifier as an extra function. So I made him one. It consists only of one AVR processor and one BQ-M512RD (or compatible, with common anodes) LED display. I tried to keep the whole clock as simple as possible, so anyone can build one…

AVR controlled clock: [Link]