The cost of an Ethernet shield for an Arduino isn’t horrible; generally between $17 and $32 depending on which one you buy. But have you seen the cost of a WiFi shield? Those are running North of $70!

Arduino is an inexpensive, small electronics platform for makers. Here's how to get started with it on macOS. When the small electronics platform Arduino exploded onto the electronics scene in 2005, ...

An Arduino is by no means expensive, but that still doesn't mean that it suits your needs right out of the box. If you want to make your own custom board, Make shows you how in a three-part series.