On Thursday, December 24, 2020 at 2:00:19 PM UTC, HW wrote:
On Wed, 23 Dec 2020 18:38:29 -0800 (PST), Daniel Fynn
wrote:

Meaning when pin 2 is held low for a long time, the output will go high for the same 10 seconds and then will go off.
What you need is what is called edge triggering. A simple way to
implement this, is to use a capacitor in series with the trigger line.
You will also need a pull-up resistor and a diode.

Try this:

https://www.google.com/search?q=555+...e+edge+trigger
Thanks