Re: [Phys-L] Countdown Timer / Alarm / Stopwatch / Split Timer
And if you want to do this in PowerPoint:
www.consol.ca/CountdownTimer.ppt
This was primarily designed for exams. Not as many bells and whistles.
Doesn't display seconds until the last two minutes. You can change the
audio notifications.
Roy Jensen
On Sun, 31 Aug 2014 14:40:06 -0700, you wrote:
>Hi Folks --
>
>There is virtually no physics in it, but here's something you
>might find of some small value: It's a software timer.
> -- It will count down and alarm when it reaches zero.
> -- It will count up.
> -- It displays HUGE easy-to-read digits on the screen.
> -- You can use it as a stop watch, with arbitrarily many split times.
> -- The splits have millisecond resolution, and probably ~20ms accuracy.
>
> https://www.av8n.com/computer/countdown.html
>
>Free, libre, open-source, public domain, cross-platform javascript.
>Obviously no warranty. Tested on Firefox (Linux) and Chrome (Android).
>Probably works on other platforms. Try it online, then download it
>for offline use.
>
>Uses include:
> *) Timing random events around the lab. The easy-to-use
> split-timer function comes in handy.
>
> *) Timing students' practice talks.
>
> *) Timing talks at actual scientific meetings. There are
> always a few guys who think the rules don't apply to them.
> Having an actual audible alarm go off encourages them
> to finish on time. Easy-to-read digits makes it easy
> for them to know the score.
>
> *) Ditto for political candidate forums. A /lot/ of these
> guys think the rules don't apply to them. If they ignore
> the nice bell sound, you can escalate to the "gong" sound
> and/or the "cuckoo clock" sound.
>
>===========
>
>BTW I still do not encourage introductory-level students to
>write in javascript. It's too low-level. Learn to program
>in a modern high-level language first.
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