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.

Raspberry Pi introduced the 7-inch Touch Display 2 with 1280x720 resolution and a thinner design last November. The company has now introduced a 5-inch ...

The TV HAT costs about $20 and can be attached to any Raspberry Pi board with a 40-pin GPIO. It's available from Raspberry Pi resellers in the UK for £20.

The Raspberry Pi board has a 40-pin GPIO header on it that needs through-hole soldering, along with bits like the Ethernet and USB ports.

As a leader in the single-board computer space, the company notes that “Raspberry Pi specifications, like our 40-pin GPIO connector and our three-pin debug connector, often become de facto ...