The caps store just enough power that when the main supply is cut, a GPIO notices, tells the Pi, and it begins a shutdown sequence lasting about 30 seconds.

Control your power outlets from the comfort of your sofa with this Raspberry Pi hack ...

In addition to being a serviceable single board computer, the Raspberry Pi also has a header full of GPIO pins at your beck and call. [Tedbot] sent in a great tutorial on using these pins with ...

With Opto-pi, there is not an electrical connection between the Raspberry Pi and connected loads (motors, relay coils, etc.) or input signals. Opto-pi uses light to isolate the 8 digital GPIO pins.

The Waveshare PoE HAT emerges as a practical solution to these challenges, offering a way to power your Raspberry Pi 5 using just an Ethernet cable.

The Raspberry Pi 3 Model B+ features 1 GB of LPDDR2 RAM, 40-pin GPIO expansion header, full-sized HDMI port, four USB 2.0 ports, a CSI camera port ready and waiting for the Pi camera module and a ...

One of the biggest draws of the Raspberry Pi family of single board computers or SBCs is their expandability. That comes via the standard 40-pin GPIO header on the full-sized boards.

Revised Raspberry Pi 5 chip comes with unexpected power savings What we don't know is whether 4GB or 8GB Pis will get the tweaked chip design.