I am trying to draw the red arrow between the two blocks
However, I have no idea how to do it. Could please someone draw it and show me code?
I am trying to draw the red arrow between the two blocks
However, I have no idea how to do it. Could please someone draw it and show me code?
\draw [->,red] (dataund) -- ++(0,-1cm) -| (busund);, obviously changing the node names to whatever you've used. – Torbjørn T. May 24 '20 at 08:48