Ginormous Stopwatch by Ned Stojadinovic
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Everyday Practical Electronics/ ETI (November & December 1999)

This PIC 16C55-controlled stopwatch can be used to time
sporting events etc. up to ten hours' duration with a
resolution of 1/100th second, with an l.c.d. display.

Also included is an (optional) large l.e.d. display enabling audiences to
observe times. And we mean large - each digit measures 
248mm high x 142mm (10" x  5" approx.) across and uses 78 l.e.d.s!

Additional features:

- start, stop, lap functions

- "gate" function using a.m. radio-controlled 418MHz Tx/ Rx, - ideal for
   equestrian events with automatic start/ stop

Intended more for the experienced constructor capable of 
adapting interface circuitry to meet their own needs.

* The file stopwatch2.zip contains the latest versions of the files, including
* the files needed for the external display section.

The latest version of the software is available from
ftp://ftp.epemag.wimborne.co.uk/pub/PICS/stopwatch

Please refer to the EPE web site for details of ordering back issues, subscriptions etc.
http://www.epemag.wimborne.co.uk

Last updated 2/11/99