Challenged by @Glenn, I introduce to you my collection of scripts to use in Tint2 panel executors. Some time ago I started taking online notes, to avoid searching the same solutions after each Arch/Openbox installation. Recently I published them as a GitHub project. The most part of them is documented in the project Wiki. Feel free to use whatever you like.
A selection of scripts currently running on my machine:
EDIT Nov 29th: picture updated to reflect the latest changes, including separation the psutil-based script as another project and the
psuinfo AUR package, and a selection from other executors as the
t2ec AUR package.