Hello all,
I've modified my HOPI meter to make it a bit safer (in my opinion) and give it a three-pin AUs GPO socket. I used a 3D-Printed adaptor block and a Jaycar panel-mount socket, I also removed the speaker terminals.
Details here
http://www.engineershed.com/3D Model here
https://www.thingiverse.com/thing:4744289- Rob (yes, absolutely crap at keeping an up-to-date website.
)