Traditionally, the Raspberry Pi has been split into two models: Model A and Model B, with Model A being the low-cost version. The Raspberry Pi 2 is currently ... HAT-compatible 40-pin header ...

So when a new version of the Pi makes its debut, we pay attention. The Raspberry Pi 2 model B may not have the snappiest ... These are a 40-pin extended GPIO, a 4-pole stereo output and composite ...

The Raspberry Pi craze is a ... we wrote in PCWorld’s Raspberry Pi 3 Model B review. You’ll also find a full-size HDMI port, ethernet, and a 40-pin GPIO header onboard for controlling those ...