Countdown Timer with milliseconds

[Anke]

@Doc_Sly

could you share this extension ?

Simple countdown extension - milliseconds

Here's a simple countdown extension that doesn't lose a single millisecond regardless of the duration.

Blocks

<a class="lightbox" href="https://community.appinventor.mit.edu/uploads/default/original/3X/0/a/0a280824bd1653da3557135749362a382ff1d22d.png" data-download-href="https://community.appinventor.mit.edu/uploads/default/0a280824bd1653da3557135749362a382ff1d22d" title="grafik">[grafik]</a>

Example: Countdown Timer with milliseconds - #6 by…