This my setup.

I replaced the original HEQ5 tripod with my diy aluminum stand. It allows an easier horizontal adjustment, a better orientation to the north and carries all accessories. The second image shows my Raspi setup with my diy raspy housing (quick and dirty!) carrying beside the raspy also a waveshare motor HAT board which is driven by Kevin Ross' driver and a temperature controlled fan . The focuser is driven by a NEMA 14 stepper motor. The 2nd image also shows my diy dewheater. I am planning to make it temperature controlled soon. The whole rig is powered by a 12V/6A power supply attached to the stand.