Speaking of barriers and Walls and RPN comes up. Coincidence? - I think not
![Wink ;)](https://www.eevblog.com/forum/Smileys/default/xwink.gif.pagespeed.ic.cldandycH0.png)
Just need to put it somewhere now. First one looks good and up to the job so a second is underway. Time to empty one of my cable drawers.
But first several Coffees ......
edit - first one installed. Not an ideal location as the PC sits under it so the leads need to be doubled over. Sort of my everyday driver leads.