We see a lot of simple pen plotter projects around here, and while we appreciate them one and all, most of them are a little on the slow side. That’s OK — a glacial pace is sometimes all that’s needed ...

I like to visualize things, so I decided to prepare this simple tutorial to help you better understand how to visualize data using Arduino. This tutorial assumes that you have some basic electronics ...

Last year we wrote about [Alex Spataru]’s Serial Studio project, which started life as serial port data visualizer, like a souped-up version of the Arduino serial plotter. [Alex] has been actively ...

Once, long ago when magazines still existed, I bought a copy of Popular Mechanics. Inside was a guide on how to build a robotic lawnmower. Now this was back in the 1980s so it wasn’t a very complex ...

An Arduino can be used to test the life of any battery with less than 5 volts, Boxall says. So, for a quick way to see how much juice your AAA, AA, C, or D batteries have left, build this ...