FWIW, if you don&#x27;t need hardware, you can turn your phone into such a &quot;button&quot;. Apps allow you to add a widget to your home screen and can be configured to make HTTP requests.<p><a href="https:&#x2F;&#x2F;play.google.com&#x2F;store&#x2F;apps&#x2F;details?id=ch.rmy.android.http_shortcuts" rel="nofollow">https:&#x2F;&#x2F;play.google.com&#x2F;store&#x2F;apps&#x2F;details?id=ch.rmy.android...</a>