We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Our pick for simple control, the RCA Smart Wi-Fi A19 LED Bulb, ...

Before we had Raspberry Pis and Beaglebones, the art of putting a Linux system in a small, portable project was limited to router hacking. The venerable WRT54G controlled Internet-connected robots ...