Projection clock: cheap
2006-02-02 16:41:32.259603+00 by Dan Lyke 2 comments
Last weekend we went to a local school fundraiser: Bingo night. I felt 70 years old and Catholic, but we had a lot of fun. One of the issues, however, is that a room full of kids is loud, and I started daydreaming about cheap ways to build a large display to put the numbers up high, rather than just being written on a low and easily obscured white board after they were called.
Mark V had a link to a note on using a cheap digital watch to build a projection clock. Not an immediate solution, for one thing the main problem with projection systems is building a cool light source that's bright enough to make a difference, but one which has me thinking...