This is what the Presto card machines look like on public transit buses in the Greater Toronto and Hamilton Area (except for the Toronto Transit Commission (TTC)) as of 2020.  Example here is the one used for Brampton Transit.
<a href="//commons.wikimedia.org/w/index.php?title=User:Alex_(Brampton)&amp;action=edit&amp;redlink=1" class="new" title="User:Alex (Brampton) (page does not exist)">Alex (Brampton)</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>