I tested 8 different sketches, a bunch of peripherals, and a variety of measuring tools, all to figure out how much power an Arduino uses. An Arduino typically uses between 286mW and 1,282mW of...

What happens to a Raspberry Pi when the power runs out? I was looking at ways to keep my Raspberry Pi running even if the power goes out, and using a UPS seemed like a good option. But the question...

Figuring out how to power an Arduino is an important part of any project: Is the Arduino going to be near a wall, does the power source need to be portable, are we going to run cables to power the...

Your beloved calculator is in desperate need of a clean - maybe you've left smudges and fingerprints on the screen, or spilled something onto the surface. Perhaps it's dusty after having sat in the...

Remote monitoring a Raspberry Pi can give you important information about what your Raspberry Pi is doing and whether there is something wrong that needs fixing. I like to know what condition my...

CAS calculators are graphing calculators that also contain a Computer Algebra System (CAS). After using both CAS and non-CAS calculators for exams in the past, I've heard many queries from people...