Tag Archives: DC

Tenma DC 72-2540 graphical interface

I was planning to write a post of how to write a simple GTK application indicator. But there’s a really good explanation already from
candidtim that you can follow. It is actually very well explained.

What I’ll do instead is just drop here an update to the Tenma DC 72-2540 command line tool that can be found in the tenma-serial github repo. It is the gtkIndicator.py script, that more or less looks like this:

And note that you can create a small .desktop file, so your desktop environment knows about it 😀

vim ~/.local/share/applications/TenmaDcPower.desktop

[Desktop Entry]
Name=Tenma DC power supply
Comment=
Exec=/usr/bin/tenmaSer/gtkIndicator.py
Icon=/usr/bin/tenmaSer/logo.png
Terminal=false
Type=Application
StartupNotify=true

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Tenma72-2540 Linux serial control

I daily work with a DC power supply to run different boards and prototypes. One day, plugging in the power supply I realized there was a USB and a COM port!
It is not correct from a tinkerer’s to avoid this option. So this day ended up with a small Python program (also golang, but that’s a different story) to use this feature.

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