The electronic hobbyist news blog
This is a super-accurate clock that uses ping-pong balls as diffusers for LEDs, but with a little know-how you can turn this into a full marquee display. [via]
Ping Pong LED Clock - [Link]
You must be logged in to post a comment.
Electronics-lab.com - 2002-2014
Any logo, trademark and project represented here are property of their owner