Unusual clock with AT89C2051

Strangeness of this clock is in its expression of numbers, which is realized using seven Leds. Leds are located inside a pipe, one above another and if we move Leds enough fast left or right, we have a space where we can write numbers, characters or anything else.

Unusual clock with AT89C2051 See more details at www.ivica-novakovic.from.hr