4017 X-mas star.wmv

773 views · Published 1 January 2011 · 0:54 · Indexed 23 October 2026

Channel: RODALCO2007 · 2011 · Entertainment

Watch on YouTube

This star is controlled by a 4017 IC and diode matrix to control the 7 LED strings.
The clock pulse is derived from a 555 IC

More from this channel