Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small ...

At points I might do something that might be dangerous because I'm comfortable with some tools or techniques but please always use your common sense and don't try everything you see here.

Getting a blank page on the Arduino Serial Monitor when you want to see the data from your sketch is frustrating, but we have some fixes.

While a Raspberry Pi is a full-fledged computer that can do more complex things than an Arduino microcontroller, it's not the best choice for every project.

A CNC plotting device capable of producing or constructing mechanical components in accordance with design software.. The use of CNC machines is increasing quickly as technology in industries advances ...

Ask MR: An Arduino is a tiny, inexpensive computer that can perform functions such as controlling signals, turnouts, and animations.

The following project is an update of Gary D. Patterson’s “Simplified CTC signals” in the July 1988 issue of MR. Bringing the project up to date was a large endeavour. The block control project now ...