The October 2002 issue of Poptronics on pages 53 through 56 has an article "Sundials --- or the shadow tells all". It's about using photo transistors and LEDs to remotely indicate the time.
Brooke Clarke -
- Back again on thick gnomons Anselmo P�rez Serrada
- Re: Back again on thick gnomons Frans W. Maes
- Re: Back again on thick gnomons Mac Oglesby
- Oct 2002 Poptronics LED Sundial Brooke Clarke
- Re: Oct 2002 Poptronics LED Sundi... Alain MORY
- Re: Back again on thick gnomons Anselmo P�rez Serrada
