Raspberry Pi enthusiasts searching for a way to control appliances or projects directly from their smartphone may be ... – Connectivity of the Relay with Raspberry Pi without GPIO – Pin 2-> 5V ...

The relay board allows you to connect up to 8 appliances and comes equipped with a 4.3 inch capacitive touchscreen LCD display and will fit standard 40 Pin GPIO connections.

The system uses a 315MHz radio breakout board for a Raspberry Pi to control the relays in one of three wall socket adapters. There’s a script running on the Pi with a very nice GUI to turn the ...

Now instead of wrangling Python or PHP to do your bidding, [Eric] came up with a way to control the GPIO pins on his Raspberry Pi in a browser. [Eric] calls his project WebIOPi, and it’s the … ...

Control your power outlets from the comfort of your sofa with this Raspberry Pi hack. ... wire 5V to the leftmost pin, Raspberry Pi GPIO 2 to the pin right of that, and ground to the rightmost pin.

The back-end server on the Raspberry Pi needs to control the GPIO pins on the Raspberry Pi board. It also needs an HTTP interface to serve the UI and a WebSocket interface to pass command and status ...

Raspberry Pi is releasing a new piece of hardware, which lets you put the modular, inexpensive computers into Lego robots and use them to control motors and sensors. It feels like an obvious choice.

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 ...

Using the Raspberry Pi 4B in access control does have its limitations. As more entry points are added to the solution, the limitations of its general-purpose input/output (GPIO) interface become ...