Each photo is clickable for full resolution.

Ukrainian newspaper

xDevs.com KX reference before boxing up

Keithley 6430 sourcing power to KX refs

Calibration of Keithley 2002 at xDevs

Various resistance standards in airbath

HP 3458A DMMs measuring LTZ references

Night roadtrip long-exposure

Lightscapes at night, long-exposure

Projects like this are born from passion and a desire to share how things work. Education is the foundation of a healthy society - especially important in today's volatile world. xDevs began as a personal project notepad in Kherson, Ukraine back in 2008 and has grown with support of passionate readers just like you. There are no (and never will be) any ads, sponsors or shareholders behind xDevs.com, just a commitment to inspire and help learning. If you are in a position to help others like us, please consider supporting xDevs.com’s home-country Ukraine in its defense of freedom to speak, freedom to live in peace and freedom to choose their way. You can use official site to support Ukraine – United24 or Help99. Every cent counts.