hi, didntr silicon chip magazine do one ??
mark k

This clock uses 58 mm digits:
http://www.siliconchip.com.au/cms/A_101797/article.html

This scoreboard uses 130 mm digits made from individual 10 mm LEDs:
http://www.siliconchip.com.au/cms/A_103978/article.html

To read the entirity of either of these articles you have to be a SCM
subscriber or pay.
--
John English