Raspberry Pi enthusiasts searching for a way to control appliances or projects directly from their smartphone may be interested in the PiRelay Raspberry Pi relay shield, which comes complete with a ...

Raspberry Pi enthusiasts building projects incorporating relays may be interested in a new piece of hardware created by Sequent Microsystems, offering up to 32 relays in a single project. This ...

Pi-oT has launched a Kickstarter campaign for a Raspberry Pi add-on for commercial and industrial IoT automation. The unit is a full mountable chassis with fan and DIN-rail that extends the Pi’s GPIO ...

For years, Raspberry Pi — the world’s most innovative tiny computer — has turned the tech world on its head. This plug-and-play computer isn’t much larger than a credit card and fits easily in your ...

A heating and cooling thermostat requires a web-connected microcontroller, relays for activating the external circuits, and analog inputs for reading the temperature ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thorin Klosowski We’ve updated this guide with more information about ...