A number of people have asked for more details on IEEE Spectrum's digital clock competition, so we've formulated the following list. Throughout, the idea is to build a clock that an ordinary person would want to use, in an ordinary home. That's why we want a display that can be read with ease from across a room.
Operating environment and other specs for IEEE Spectrum's Digital Clock Competition: --between 10 and 50 degrees C --between 0 and 100 percent relative humidity --with seven-segment LED display, no smaller than 0.56 inches --no limit on power --calibration should be within the grasp of a layman --lacking an oscilloscope here in the office, we will check accuracy against a WWVB or GPS signal (other suggestions--even volunteers to help in the judging--are welcome) --parts to be available from any of the big distributors (RadioShack, Mouser, DigiKey, Maplin, etc.) or, in sufficient quantities (100s, say) from a surplus store Philip E. Ross Senior editor IEEE Spectrum Magazine 212 419 7562 http://www.spectrum.ieee.org _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.