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 ...

We’ve seen some of [Connor]’s work before, and it looks like he’s now turning to product design. He’s come up with an adapter for the Raspberry Pi to control a few wireless wall socket relays, ...

No matter what the application is, when a definite-purpose solution is required, time delay relays (TDRs) can provide simple, reliable, and economical control. Adjusting the delay time is often as ...